Using C1=COCCC1, Cc1cc(Oc2c[nH]nc2C2CC2)cc(C)c1C#N to produce Cc1cc(Oc2cn(C3CCCCO3)nc2C2CC2)cc(C)c1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.