Using CC(=O)N1CCC(C(=O)O)CC1, CCCN(C1CCNCC1)C1CCc2ccc(OC)cc2C1 to produce CCCN(C1CCN(C(=O)C2CCN(C(C)=O)CC2)CC1)C1CCc2ccc(OC)cc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.