You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule butyl 4-[[2-[4-[[(Z)-2-benzamido-3-thiophen-2-ylprop-2-enoyl]amino]phenyl]sulfanyl-2-phenylacetyl]amino]benzoate ?
user
C39H35N3O5S2
assistant