Using CC([O-])=S, COC(=O)C1C=CCN2C(=O)C(CCI)(Cc3ccccc3)C(=O)N12 to produce COC(=O)C1C=CCN2C(=O)C(CCSC(C)=O)(Cc3ccccc3)C(=O)N12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.