Using Oc1ccc2sccc2c1, CC(C)(C)OC(=O)N1CCC[C@H]1CO to produce CC(C)(C)OC(=O)N1CCC[C@H]1COc1ccc2sccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.