Using COC(=O)c1c(C(N)=O)nc2n1CCOc1ccc(Br)cc1-2 to produce NC(=O)c1nc2n(c1C(=O)O)CCOc1ccc(Br)cc1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.