Using CN(c1ncnc2c1cnn2COCC[Si](C)(C)C)[C@@H]1CCCNC1 to produce CN(c1ncnc2[nH]ncc12)[C@@H]1CCCNC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.