You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2Z,5E)-2-(3,3-dimethyl-2-oxobutylidene)-3-[2-[(2S)-2-methyl-2,3-dihydroindol-1-yl]-2-oxoethyl]-5-(thiophen-3-ylmethylidene)-1,3-thiazolidin-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H26N2O3S2
assistant