Using CC1=C(CC(=O)O)C(c2ccccc2Cl)C(C(=O)O)=C(C)N1, c1ccc(N2CCNCC2)cc1 to produce CC1=C(CC(=O)O)C(c2ccccc2Cl)C(C(=O)N2CCN(c3ccccc3)CC2)=C(C)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.