Using O=C(O)CCc1oc(Cl)nc1-c1ccc(Cl)cc1, CC(C)O to produce CC(C)Oc1nc(-c2ccc(Cl)cc2)c(CCC(=O)O)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.