Using O=C(Nc1ccccc1-c1ccccc1)OC1CCNCC1, O=C([O-])O to produce O=C(CNCCN1CCC(OC(=O)Nc2ccccc2-c2ccccc2)CC1)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.