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)-6-chloro-N-[2-methoxy-5-(propan-2-ylsulfamoyl)phenyl]-4-methylsulfonyl-2,3-dihydro-1,4-benzoxazine-2-carboxamide .
user
C20H24ClN3O7S2
assistant