Using O=C(O)Cn1c(-c2ccc(Br)o2)nc2cccnc21, O=C(n1ccnc1)n1ccnc1 to produce NC(=O)Cn1c(-c2ccc(Br)o2)nc2cccnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.