You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 3-(4-bromophenyl)-N-[1-(4-methylsulfonylphenyl)ethyl]-1H-pyrazole-5-carboxamide using the IUPAC nomenclature.
user
C19H18BrN3O3S
assistant