Using CCOC(=O)C(OS(C)(=O)=O)C1=CCCC1, COc1cc(OC)nc(S)n1 to produce CCOC(=O)C(Sc1nc(OC)cc(OC)n1)C1=CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.