You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(2S,5R)-4-[[1-(4-fluorophenyl)sulfonyltriazol-4-yl]methyl]-2,5-dimethylpiperazin-1-yl]-1-methyl-2-oxoquinoline-3-carbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H26FN7O3S
assistant