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": ""}
  a  ZS Sandy soil, edge of woods.  united states ExA         Mackinac h_      !z  John H. Ehlers -84.194464 ASV?    FA8[ (pursh) rydb.   scotty bay. #m   LK Melanthiaceae     p1=f 1920-08-28
{"catalogNumber": "", "order": "", "family": "Melanthiaceae", "scientificName": "", "scientificNameAuthorship": "(Pursh) Rydb.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "1920-08-28", "habitat": "Sandy soil, edge of woods.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Mackinac", "municipality": "", "locality": "Scotty Bay.", "decimalLatitude": "", "decimalLongitude": "-84.194464", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}