Using CC(C)(C)OC(=O)N[C@@]1(C(=O)OC(C)(C)C)C[C@H](OS(C)(=O)=O)[C@H]2[C@H](C(=O)OC(C)(C)C)[C@H]21 to produce CC(C)(C)OC(=O)N[C@@]1(C(=O)OC(C)(C)C)C=C[C@H]2[C@H](C(=O)OC(C)(C)C)[C@H]21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.