Using CN(C)C=O, COc1ccc(Cn2c(C)c(Br)c3cnnc(OCc4ccccc4)c32)cc1 to produce COc1ccc(Cn2c(C)c(C=O)c3cnnc(OCc4ccccc4)c32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.