Using CN(c1ccc(/C=C/C[C@H](NC(=O)c2c(Cl)cccc2Cl)C(=O)O)cc1)c1ncccn1 to produce CN(c1ccc(/C=C/C[C@H](NC(=O)c2c(Cl)cccc2Cl)C(=O)[O-])cc1)c1ncccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.