You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-[[(1R)-2,3-dihydro-1H-inden-1-yl]imino]-1,4-dihydro-3,1-benzoxazin-6-yl]piperidine-1-sulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H26N4O3S
assistant