You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 2-[(4-amino-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-2-yl)methylsulfanyl]pyrimidine-4,6-diamine is given. What is its corresponding molecular formula?
user
C15H17N7S2
assistant