SVG Molecule v.2

<h4>SVG Molecule v.2</h4>
<div class="svg-container">
<svg 
   viewBox="0 0 288 288"
   x="0px" y="0px"
   xmlns="https://www.w3.org/2000/svg"
   version="1.1"
   preserveAspectRatio="xMinYMin meet
class="svg">
           
  <g transform="translate(144,144)" stroke-width="2" stroke="#444444" fill="none" >
   <circle cx="0" r="110" stroke-width="2" stroke="#999999" fill="">
<animateTransform 
          attributeType="xml" 
          attributeName="transform" 
          type="scale" 
          values="1;0.2;1" 
          dur="9s" 
          repeatCount="indefinite"
        />
   </circle>
     <circle cx="0" r="64" stroke-width="4" stroke="cyan">
    <animateTransform 
          attributeType="xml" 
          attributeName="transform" 
          type="scale" 
          values="1.2;0.4;1.2" 
          dur="5s" 
          repeatCount="indefinite"
        />
    </circle>
    <circle cx="0" r="32" stroke-width="2" stroke="cyan">
    <animateTransform 
          attributeType="xml" 
          attributeName="transform" 
          type="scale" 
          values="1;2;1" 
          dur="5s" 
          repeatCount="indefinite"
        />
    </circle>
    <circle cx="0" r="16" stroke-width="2" stroke="cyan">
    <animateTransform 
          attributeType="xml" 
          attributeName="transform" 
          type="scale" 
          values="0.6;1.2;0.6" 
          dur="3s" 
          repeatCount="indefinite"
        />
    </circle>
    <g>
    <circle cx="64" r="64"/>
     <circle cx="64" r="64"  transform="rotate(120)"/>
     <circle cx="64" r="64"  transform="rotate(240)"/>
		<animateTransform 
		  attributeType="xml" 
		  attributeName="transform" 
		  type="rotate" 
		  values="0 0 0; 360 0 0" 
		  dur="10s" 
		  additive="sum" 
		  repeatCount="indefinite"
		/>
    </g>