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": ""}
  DFLV washtenaw    L&<7 s.n.  |g ALONG HURON RIVER, ANN ARBOR. polygala .j!  -83.74389 7B     POLYGALACEAE mW+R  l. 4k  UNITED STATES Y|ic7  1903-05 L  _ seneg   @ Fabales   OkHe charles a. davis   O rN 42.29574 michigan Z    j 1472770  Z. Shaded banks.  v polygala senega 
{"catalogNumber": "1472770", "order": "Fabales", "family": "Polygalaceae", "scientificName": "Polygala senega", "scientificNameAuthorship": "L.", "genus": "Polygala", "subgenus": "", "specificEpithet": "senega", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles A. Davis", "recordNumber": "s.n.", "verbatimEventDate": "1903-05", "habitat": "Shaded banks.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Along Huron River, Ann Arbor.", "decimalLatitude": "42.29574", "decimalLongitude": "-83.74389", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}