You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (2S)-7-amino-2-[[(2S)-1-[(E,2S,5S)-2-benzyl-7-methyl-5-[(2-methylpropan-2-yl)oxycarbonylamino]oct-3-enoyl]pyrrolidine-2-carbonyl]amino]-7-(4-methoxy-2,3,6-trimethylphenyl)sulfonyliminoheptanoic acid using the IUPAC nomenclature.
user
C43H63N5O9S
assistant