Using CC[C@@H]1C[C@H](NS(=O)(=O)C2CC2)CN1C(=O)OC(C)(C)C to produce CC[C@@H]1C[C@H](NS(=O)(=O)C2CC2)CN1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.