You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 5-(5-bromo-2-fluorophenyl)-4-[(2,4-dimethoxyphenyl)methyl]-2,2,5-trimethylthiomorpholin-3-one into molecular formula.
user
C22H25BrFNO3S
assistant