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": ""}
  Fg rumex  R57p  United States   mB Far_myard near Douglas Lake. L. RV&up   =4#r John H. Ehlers  *2EP 519    q heboygan   RUMEX OBTUSIFOLIUS J;r7  1917-07-16 Uo Q   ;yKL Polygonaceae obtusif0lius 7P1    /m-jR Sandy soil. MICHIGAN @pIz         t4B K caryophyllales
{"catalogNumber": "", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Rumex obtusifolius", "scientificNameAuthorship": "L.", "genus": "Rumex", "subgenus": "", "specificEpithet": "obtusifolius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "519", "verbatimEventDate": "1917-07-16", "habitat": "Sandy soil.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "Farmyard near Douglas Lake.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}