Using NCC12CCCN(CCC1)C2, CNc1cc(OC)c(C(=O)O)cc1Cl to produce CNc1cc(OC)c(C(=O)NCC23CCCN(CCC2)C3)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.