Using C=CCOc1cc2c(cc1CC=C)CCC(=O)N2, CC(C)=CCBr to produce C=CCOc1cc2c(cc1CC=C)CCC(=O)N2CC=C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.