Using COc1nc2ccn([Si](C(C)C)(C(C)C)C(C)C)c2cc1C1=CCN(C(=O)OC(C)(C)C)CC1 to produce COc1nc2ccn([Si](C(C)C)(C(C)C)C(C)C)c2cc1C1CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.