Using COC(=O)c1cc(C(=O)c2c(C)c(Br)c3ccccn23)ccc1N to produce Cc1c(Br)c2ccccn2c1C(=O)c1ccc(N)c(C(=O)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.