You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2S)-1-[[1-[[(6S,9S,12S)-6-benzyl-9-(2-methylpropyl)-2,5,8,11-tetraoxo-1,4,7,10-tetrazacyclohexadec-12-yl]amino]-6-[bis(3-methylbutyl)amino]-1-oxohexan-2-yl]amino]-6-[bis(3-methylbutyl)amino]-1-oxohexan-2-yl]cyclopropanecarboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C59H103N9O7
assistant