You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N,N-bis(2-hydroxyethyl)-4-[5-phenyl-3-(trifluoromethyl)pyrazol-1-yl]benzenesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H20F3N3O4S
assistant