Using COC(=O)c1cc(C(=O)CBr)ccc1O, O=c1ncc(Cl)c[nH]1 to produce COC(=O)c1cc(C(=O)Cn2cc(Cl)cnc2=O)ccc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.