Using COc1cc2c(cc1S(=O)(=O)C(F)(F)F)CCN(C(=O)C(F)(F)F)CC2c1ccccc1 to produce COc1cc2c(cc1S(=O)(=O)C(F)(F)F)CCNCC2c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.