Using O=C(NCCCCc1cccnc1)c1ccc(-c2cccc(OCc3ccccc3)c2)cc1 to produce O=C(NCCCCc1cccnc1)c1ccc(-c2cccc(O)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.