You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name (2R)-2-[(4-ethoxy-3-methylphenyl)sulfonylamino]-N-[(1S)-1-(4-methylsulfanylphenyl)ethyl]-3-phenylpropanamide ?
user
C27H32N2O4S2
assistant