Using CN(C)C=O, COc1ccc(Br)cc1C12CC3CC(CC(C3)C1)C2 to produce COc1ccc(C=O)cc1C12CC3CC(CC(C3)C1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.