You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[4-[(2-thiophen-3-yl-1,3-thiazol-4-yl)methyl]piperazin-1-yl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidine is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H23N5S3
assistant