You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1R,5R,7S)-3-benzyl-9-[(1-methylpyrazol-4-yl)methyl]-11-oxa-4lambda6-thia-3,9-diazatricyclo[5.3.1.01,5]undecane 4,4-dioxide by IUPAC nomenclature, provide its molecular formula.
user
C19H24N4O3S
assistant