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 identified by (2R)-N-[(2R)-butan-2-yl]-2-[[2-(N-(3,4-dimethoxyphenyl)sulfonyl-4-ethoxyanilino)acetyl]-[(3-methoxyphenyl)methyl]amino]butanamide ?
user
C34H45N3O8S
assistant