You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (2R)-2-[[2-[N-(benzenesulfonyl)-2,5-dichloroanilino]acetyl]-[(3-methoxyphenyl)methyl]amino]-N-propan-2-ylpropanamide ?
user
C28H31Cl2N3O5S
assistant