You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (Z)-[amino-[6-[[(1R)-1-cyclobutylethyl]amino]-7-[(4-ethynylcyclohexyl)methyl]-8-[(E)-2-phenylethenyl]purin-2-yl]methylidene]carbamic acid .
user
C30H35N7O2
assistant