You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-(2-methoxy-6-piperazin-1-ylpyridin-3-yl)-4-(1,1,1-trifluoropropan-2-yl)benzenesulfonamide ?
user
C19H23F3N4O3S
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