You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-(1,2-oxazol-5-yl)-N-(1,2,3,4-tetrahydroisoquinolin-7-yl)thiophene-2-sulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H15N3O3S2
assistant