You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-N-prop-2-enyl-2-(5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-ylsulfanyl)propanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H19N3OS2
assistant