Using C1=COCCC1, COc1cc(OC)cc(-c2cnc3c(I)n[nH]c3c2)c1 to produce COc1cc(OC)cc(-c2cnc3c(I)nn(C4CCCCO4)c3c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.