Using CCOC(=O)N(Cc1ccccc1)c1cc(Br)nc(N)c1[N+](=O)[O-], CO to produce CCOC(=O)N(Cc1ccccc1)c1cc(OC)nc(N)c1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.