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": ""}
Polgalaceae  iiZU   ? L  Clay soil-hillside. Fabales 8y;(     a cedar bend, ann arbor.   j: senega  United States :m9   o Polygala   1 JOHN H. EHLERS        2Kj WASHTENAW   1472827 h;~     ?z  -83.726758 
{"catalogNumber": "1472827", "order": "Fabales", "family": "Polygalaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Polygala", "subgenus": "", "specificEpithet": "senega", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "", "habitat": "Clay soil-hillside.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "Cedar Bend, Ann Arbor.", "decimalLatitude": "", "decimalLongitude": "-83.726758", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}