You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(3-acetylphenyl)imino-5-(2,3-dihydroindol-1-ylmethylidene)-3-(furan-2-ylmethyl)-1,3-thiazolidin-4-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H21N3O3S
assistant