You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[1-(4-bromo-2,6-dimethylphenyl)-3-ethyl-5-methylsulfonylpyrazol-4-yl]methanol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H19BrN2O3S
assistant