Using c1ccc(C(=C2CC3CCC(C2)N3)c2ccsc2)cc1, CC(C)=CCBr to produce CC(C)=CCN1C2CCC1CC(=C(c1ccccc1)c1ccsc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.