You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-(2,3-dihydro-1,4-benzothiazin-4-yl)-2-oxoethyl]sulfanyl-3-(2-methoxyethyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H25N3O3S3
assistant