You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[[5-(2-fluorophenyl)furan-2-yl]methylidene]-3-(4-methylphenyl)-2-(4-methylphenyl)imino-1,3-thiazolidin-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H21FN2O2S
assistant