You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2S)-1-[[(4S)-1-benzoyl-3-oxoazepan-4-yl]amino]-3-cyclohexyl-1-oxopropan-2-yl]furan-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H33N3O5
assistant