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": ""}
1472827 6!      B L.   SENEGA (   mh 42.292178      Jje 1918-05-20  #]IY~ polygala senega   Ob CLAY SOIL-HILLSIDE. Polygala ax?h   $ Cedar Bend, Ann Arbor.      yd~ JOHN H. EHLERS -83.726758 >WqG    MICHIGAN 4B]   : Washtenaw
{"catalogNumber": "1472827", "order": "", "family": "", "scientificName": "Polygala senega", "scientificNameAuthorship": "L.", "genus": "Polygala", "subgenus": "", "specificEpithet": "senega", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "1918-05-20", "habitat": "Clay soil-hillside.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Cedar Bend, Ann Arbor.", "decimalLatitude": "42.292178", "decimalLongitude": "-83.726758", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}