You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(2,5-dimethylphenyl)-hydroxymethylidene]-1-[5-[(2-fluorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-5-pyridin-4-ylpyrrolidine-2,3-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H21FN4O3S2
assistant