Using CCCCCCCCOc1ccc(-c2cnc(-c3cccc(OCc4ccccc4)c3)nc2)cc1 to produce CCCCCCCCOc1ccc(-c2cnc(-c3cccc(O)c3)nc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.