Using O=C(O)[C@@H](Br)CO, COc1ccc(C[NH2+]CSC(C)(C)C)cc1 to produce COc1ccc(CN(CSC(C)(C)C)C(=O)[C@@H](Br)CO)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.