b) causing {TAIL ~ the small molecule} to come into contact with IRS2 or a complex comprising IRS2 and {HEAD ~ other cellular proteins} in the cell; and 
b ) causing { TAIL ~ the small molecule } to come into contact with IRS2 or a complex comprising IRS2 and { HEAD ~ other cellular proteins } in the cell ; and
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH