You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[2-fluoro-4-(1,1,1-trifluoro-2-hydroxypropan-2-yl)phenyl]-5-methylsulfonyl-2,3-dihydro-1H-isoindole-1-carboxamide .
user
C19H18F4N2O4S
assistant