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 [2-[2-[2-[[1-(hydroxymethyl)cyclopentyl]amino]-2-oxoethyl]pent-4-enoylamino]-3-(naphthalen-2-ylamino)-3-oxopropyl] 2-benzylhept-6-enoate .
user
C40H49N3O6
assistant