Using C[Si](C)(C)CCOCCl, CC(C)C(=O)Nc1ncnc2nc[nH]c12 to produce CC(C)C(=O)Nc1ncnc2ncn(COCC[Si](C)(C)C)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.