Using CCOC(=O)C(=O)c1c[nH]c2ccc(OCc3ccccc3)cc12, SCCc1c[nH]c2ccccc12 to produce CC1(C)OCCc2c1[nH]c1ccc(OCc3ccccc3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.