Using O=C(NC(O)C(=O)O)OCc1ccccc1, Oc1ccc(Cl)cc1O to produce O=C(O)CN(C(=O)OCc1ccccc1)c1cc(O)c(O)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.