Using C[Si](C)(C)CCOCn1ccc2c(-c3cnn(C(CCO)c4ccccc4)c3)ncnc21, CN(C)C=O to produce COCCC(c1ccccc1)n1cc(-c2ncnc3c2ccn3COCC[Si](C)(C)C)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.