Using NS(=O)(=O)c1ccccc1-c1ccc2[nH]c(/C=C/c3ccccc3C(F)(F)F)nc2c1 to produce NS(=O)(=O)c1ccccc1-c1ccc2[nH]c(CCc3ccccc3C(F)(F)F)nc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.