Using COc1ccc(-c2cccc(C(=O)N3CCN(c4ccnc(Cl)n4)CC3)n2)cc1OC to produce COc1ccc(-c2cccc(C(=O)N3CCN(c4ccncn4)CC3)n2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.