Using COC(=O)CS, COc1ccc(C(O)c2ccc(OC)cc2)cc1 to produce COC(=O)CSC(c1ccc(OC)cc1)c1ccc(OC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.