Dataset #%5BC%3A21%5D1%5BCH%3A20%5D%3D%5BCH%3A19%5D%5BC%3A18%5D(%5BNH%3A27%5D%5BC%3A32%5D(%5BC%3A4%5D2%5BCH%3A3%5D%3D%5BC%3A2%5D(%5BF%3A1%5D