You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(4-cyclopropyl-5-thiophen-2-yl-1,2,4-triazol-3-yl)sulfanylmethyl]-6-(4-methoxyphenyl)-3H-thieno[3,2-d]pyrimidin-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H19N5O2S3
assistant