Using CC(Oc1ccc(Oc2cnc3cc(Cl)ccc3c2)cc1)C(N)=O to produce CC(C#N)Oc1ccc(Oc2cnc3cc(Cl)ccc3c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.