Using CC(C)(C)c1ccc(C=O)cc1, NCCc1ccc(C(F)(F)F)cc1 to produce CC(C)(C)c1ccc(CNCCc2ccc(C(F)(F)F)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.