You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (3S)-4-[[(4S,7R)-7-[[(4S,7R)-11-amino-7-carbamoyl-1-(diaminomethylideneamino)-5-oxoundecan-4-yl]carbamoyl]-1-(diaminomethylideneamino)-9-methyl-5-oxodecan-4-yl]amino]-3-methyl-4-oxobutanoic acid by IUPAC nomenclature, provide its molecular formula.
user
C31H58N10O7
assistant