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 5-[(3R)-1-(5-fluoro-2-methylphenyl)sulfonylpiperidin-3-yl]-N-phenyl-1,3,4-thiadiazole-2-carboxamide ?
user
C21H21FN4O3S2
assistant