Using O=C([O-])[O-], Cc1ccc(C(=O)O)cc1Oc1ccnc(Cl)c1 to produce COC(=O)c1ccc(C)c(Oc2ccnc(Cl)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.