Using COc1ccc(-c2nc(Cl)nc(-c3ccc(OC)cc3)n2)cc1, Oc1cccc(O)c1 to produce COc1ccc(-c2nc(-c3ccc(OC)cc3)nc(-c3ccc(O)cc3O)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.