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": ""}
 DA? 671    _W%$ clay soil-hillside. Polygalaceae     J u-W united states  senega !vP   6z Fabales   E-21918-05-20 John H. Ehlers  bH#,  1472827 rU!9v   2  POLYGALA SENEGA Michigan h| E*    POLYGAA ioJ0[      +| WASHTENAW   Bq -83.726758  Y$A l.  42.292178 2h(pI  
{"catalogNumber": "1472827", "order": "Fabales", "family": "Polygalaceae", "scientificName": "Polygala senega", "scientificNameAuthorship": "L.", "genus": "Polygala", "subgenus": "", "specificEpithet": "senega", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "671", "verbatimEventDate": "1918-05-20", "habitat": "Clay soil-hillside.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "42.292178", "decimalLongitude": "-83.726758", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}