Using CI, CNc1nc2c(Cc3cc(Br)c(OC)c(Br)c3)c(=O)nccc2[nH]1 to produce CNc1nc2ccn(C)c(=O)c(Cc3cc(Br)c(OC)c(Br)c3)c-2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.