You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[[(E)-ethylidene-(4-fluorophenyl)-lambda4-sulfanyl]-propan-2-ylamino]-N-[[(2R)-4-[4-(trifluoromethyl)phenyl]morpholin-2-yl]methyl]acetamide .
user
C25H31F4N3O2S
assistant