Using [N-]=[N+]=[N-], CSSC(CBr)C[C@H](NC(=O)OC(C)(C)C)C(=O)OC(C)(C)C to produce CSSC(CN=[N+]=[N-])C[C@H](NC(=O)OC(C)(C)C)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.