Using CC(C)(C)OC(=O)COc1ccc(CCOS(C)(=O)=O)cc1, COC(=O)c1ccccc1S to produce COC(=O)c1ccccc1SCCc1ccc(OCC(=O)OC(C)(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.