{"batchcode": "EWO0177", "histograms": [{"batchcodes": ["EW0181", "EWO0177"], "histogram": {"Asthenopia": 1, "Blister": 1, "Rash": 1, "Toothache": 1}}, {"batchcodes": ["EWO0177"], "histogram": {"Fatigue": 1, "Increased bronchial secretion": 1, "Irregular breathing": 1, "Vitreous detachment": 1}}]}