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 2-amino-5-[[3-[1-[6-[(2-amino-3-methylbutanoyl)amino]-2-hydroxy-2-[[3-methyl-1-oxo-1-[(E)-1-oxo-7-sulfanylhept-4-en-3-yl]oxybutan-2-yl]amino]-5-oxo-1,4-thiazepan-3-yl]ethylsulfanyl]-1-(carboxymethylamino)-1-oxopropan-2-yl]amino]-5-oxopentanoic acid ?
user
C34H57N7O12S3
assistant