You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(2-aminoethyl)-2-[1-[(3E,5E)-6-fluoroocta-3,5-dien-4-yl]sulfonylethenyl]aniline is the IUPAC name of a molecule. Please give its molecular formula.
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C18H25FN2O2S
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