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)-N-ethyl-2-[[2-(4-fluoro-N-(4-methoxyphenyl)sulfonylanilino)acetyl]-[(4-fluorophenyl)methyl]amino]propanamide ?
user
C27H29F2N3O5S
assistant