Using COc1ccc(N)c(C(=O)O)c1, NCCN1CCC(Oc2ccc(Cl)c(Cl)c2)CC1 to produce COc1ccc(N)c(C(=O)NCCN2CCC(Oc3ccc(Cl)c(Cl)c3)CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.