Using [OH-], CCSc1nc(-c2ccc(OCCCl)c(OC)c2)cc2nccn12 to produce CCSc1nc(-c2ccc(OCCN3CCOCC3)c(OC)c2)cc2nccn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.