Using COc1ccc(-c2sc3cc(OC)ccc3c2Oc2ccc(/C=C/C(=O)O)cc2)cc1, NCCC(F)(F)F to produce COc1ccc(-c2sc3cc(OC)ccc3c2Oc2ccc(/C=C/C(=O)NCCC(F)(F)F)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.