Using COC(=O)C(O)C(C)(C)C, Cc1cc(C)nc(S(C)(=O)=O)n1 to produce COC(=O)C(Oc1nc(C)cc(C)n1)C(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.