Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
1932-06-08 cA   fabales s>   polygala senega &zG    michigan  r*    [X washtenaw 42.288712 34~O    *- -83.76161    Ann Arbor, N.E. of Hospital. 1472807  _    z L.   low open ground. bz   polygalaceae ,tE^8   MA carl o. grassl   ou united states  1M 4836  SENEGA ;B   f_ Polygala
{"catalogNumber": "1472807", "order": "Fabales", "family": "Polygalaceae", "scientificName": "Polygala senega", "scientificNameAuthorship": "L.", "genus": "Polygala", "subgenus": "", "specificEpithet": "senega", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "4836", "verbatimEventDate": "1932-06-08", "habitat": "Low open ground.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor, N.E. of Hospital.", "decimalLatitude": "42.288712", "decimalLongitude": "-83.726161", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}