You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(6R)-6-[6-(methanesulfonamido)-4-oxospiro[3H-chromene-2,4'-piperidine]-1'-yl]-5,6,7,8-tetrahydronaphthalen-2-yl]methanesulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H31N3O6S2
assistant