Using CCOC(=O)[C@@H]1CC(C)(C)C(=O)N1C(=O)OC(C)(C)C, C[Si](C)(C)[N-][Si](C)(C)C to produce CCOC(=O)C1(C)CC(C)(C)CN1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.