You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (2R)-N-(1,3-benzodioxol-5-yl)-7-methyl-5-methylsulfonyl-3,4-dihydro-2H-1,5-benzoxazepine-2-carboxamide .
user
C19H20N2O6S
assistant