Using COC(=O)c1cc(NC(=O)OC(C)(C)C)cc(S(C)(=O)=O)c1 to produce CC(C)(C)OC(=O)Nc1cc(C(=O)O)cc(S(C)(=O)=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.