Using CC(C)(C)OC(=O)[C@@H]1CCC(=O)N1C(=O)OC(C)(C)C, C[Si](C)(C)[N-][Si](C)(C)C to produce CC1C[C@@H](C(=O)OC(C)(C)C)N(C(=O)OC(C)(C)C)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.