Using CN[C@@H]1CCN(c2ncnc3c2ccn3COCC[Si](C)(C)C)C1, O=C(O)Cc1c[nH]cn1 to produce CN(C(=O)Cc1c[nH]cn1)[C@@H]1CCN(c2ncnc3c2ccn3COCC[Si](C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.