Using CCCCCOCC#CCOS(C)(=O)=O, O=c1ccc(-c2ccc(Cl)cn2)n[nH]1 to produce CCCCCOCC#CCn1nc(-c2ccc(Cl)cn2)ccc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.