Using CC(C)(C)OC(=O)C1C(CO)=CS[C@@H]2C(NC(=O)Cc3ccccc3)C(=O)N12 to produce CC(C)(C)OC(=O)C1C(CO)CS[C@@H]2C(NC(=O)Cc3ccccc3)C(=O)N12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.