Using CN(C)C=O, CCCCCCc1cc2c(cc1Br)C(C)(C)CCC2(C)C to produce CCCCCCc1cc2c(cc1C=O)C(C)(C)CCC2(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.