Using CN(C)C=O, COCOc1c(Br)cc(C(C)(C)C)cc1C(C)(C)C to produce COCOc1c(C=O)cc(C(C)(C)C)cc1C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.