You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[4-(2-fluorophenyl)piperazin-1-yl]-6-[(4-fluorophenyl)sulfonylamino]quinoline-4-carboxylic acid into its molecular formula.
user
C26H22F2N4O4S
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