Using CCCOc1nc(CN2CCOCC2)nc2oc(-c3cccc(OC)c3)nc12 to produce CCCOc1nc(CN2CCOCC2)nc2oc(-c3cccc(O)c3)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.