Using C=CCOC(=O)N1CCC[C@@H](OC)[C@@H]1CC(=O)CBr, CSc1cc2c(=O)[nH]cnc2cc1Br to produce C=CCOC(=O)N1CCC[C@@H](OC)[C@@H]1CC(=O)Cn1cnc2cc(Br)c(SC)cc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.