Using CC1(C)OC2OC(COC(=O)c3ccccc3)C(OC(=S)n3ccnc3)C2O1 to produce CC1(C)OC2CC(COC(=O)c3ccccc3)OC2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.