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 methyl N-[(2S)-1-[(2S)-2-[6-[7-[2-[(2S)-1-[(2S)-2-(methoxycarbonylamino)-3-methylbutanoyl]pyrrolidin-2-yl]-3H-benzimidazol-5-yl]-4'-methyl-1-oxospiro[3H-indene-2,1'-cyclohexane]-4-yl]-1H-benzimidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate ?
user
C51H62N8O7
assistant