Newly created fluorenone drugs can be used to prevent, treat, or otherwise reduce {HEAD ~ damage} to {TAIL ~ the brain or spinal cord} of a human patient suffering a medical crisis 
to
Newly created fluorenone drugs can be used to prevent , treat , or otherwise reduce { HEAD ~ damage } to { TAIL ~ the brain or spinal cord } of a human patient suffering a medical crisis
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH