You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
potassium;(3-ethynyl-5-fluorosulfonyloxy-2,4,6-trimethylphenyl)methyl-trifluoroboranuide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H12BF4KO3S
assistant