Using CCOC(=O)c1cc(-c2cccc(OC)c2)n(-c2cccc(Cl)c2)n1 to produce COc1cccc(-c2cc(C(=O)O)nn2-c2cccc(Cl)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.