You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1S,2R,3R)-1-amino-2-(1,3-benzodioxol-5-yl)-3-(4-methylphenyl)sulfonylcyclopropane-1-carbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H16N2O4S
assistant