Using C[C@H](CCC(=O)O)[C@H]1CC[C@H]2[C@@H]3[C@H](O)C[C@@H]4C[C@H](O)CC[C@]4(C)[C@H]3C[C@H](O)[C@]12C, SC1=NCCS1 to produce CC(CCC(=O)N1CCSC1=S)C1CCC2C3CCC4CC(O)CCC4(C)C3CC(O)C12C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.