Using CC(C)(CCOS(C)(=O)=O)n1cc(-c2ncnc3[nH]ccc23)cn1, CN(C)C=O to produce CC(C)(CCC#N)n1cc(-c2ncnc3[nH]ccc23)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.