Using COC(=O)C1C(O[Si](C)(C)C(C)(C)C)CCN1C(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)N1CCC(O[Si](C)(C)C(C)(C)C)C1CO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.