You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[2-[(3aS,6aS)-1-methyl-2,3,3a,4,6,6a-hexahydropyrrolo[2,3-c]pyrrol-5-yl]quinazolin-4-yl]-4-(4H-thieno[3,2-b]pyrrol-6-yl)pyrrole-2,5-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H22N6O2S
assistant