Using CC(C)n1nc(CO)nc1-c1cn2c(n1)-c1ccc(Br)cc1OCC2 to produce CC(C)n1nc(C=O)nc1-c1cn2c(n1)-c1ccccc1OCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.