Using C[C@@H](O[Si](C)(C)C(C)(C)C)[C@H]1C(=O)N2C(C(=O)OCc3ccc([N+](=O)[O-])cc3)=C(S(=O)c3ccccc3)[C@H](C)[C@H]12, O=C(NCCS)OCc1ccc([N+](=O)[O-])cc1 to produce C[C@@H](O[Si](C)(C)C(C)(C)C)[C@H]1C(=O)N2C(C(=O)OCc3ccc([N+](=O)[O-])cc3)=C(SCCNC(=O)OCc3ccc([N+](=O)[O-])cc3)[C@H](C)[C@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.