{"batchcode": "EX3546", "histograms": [{"histogram": {"Rash": 1, "Rash pruritic": 1, "Tinnitus": 1}, "batchcodes": ["EX3546", "FA5742"]}, {"histogram": {"Parosmia": 1, "Polymerase chain reaction": 1}, "batchcodes": ["EX3546"]}]}