Using CN(C)C=O, Cc1ccc(-c2nc(Cc3cccc(Br)c3)c(C)o2)cc1 to produce Cc1ccc(-c2nc(Cc3cccc(C=O)c3)c(C)o2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.