You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(1R,4R)-2,5-dithia-7-azabicyclo[2.2.1]heptan-7-yl]thiophene-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C9H10N2OS3
assistant