You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(3,4-dimethoxyphenyl)-2-methyl-1-thiomorpholin-4-yl-5-[4-(trifluoromethyl)phenyl]penta-2,4-dien-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H26F3NO3S
assistant