Using CCOC(=O)/C=C/C(=O)[O-], Nc1n[nH]c2cc(Cl)ccc12 to produce CCOC(=O)/C=C/C(=O)Nc1n[nH]c2cc(Cl)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.