You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (2R)-N-[(4-methylphenyl)methyl]-2-[4-[(2S)-1-[(4-methylphenyl)methylamino]-1-oxopropan-2-yl]-1,4-diazepan-1-yl]propanamide is given. What is its corresponding molecular formula?
user
C27H38N4O2
assistant