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": ""}
  Amaranthaceae M6  1207802 9s8D8   UNION LriQ    bp; caryophyllales  kwCD  J.D.Sauer   *< 19930-09-20  #ov RUDIS  ARKANSAS  G4|x   M+ 121221 NIT3D STATES kOw4y    7+  CONTACT UM HERBARIUM      r. dale thomas K9RU   Amaranthus ThQ   
{"catalogNumber": "1207802", "order": "Caryophyllales", "family": "Amaranthaceae", "scientificName": "", "scientificNameAuthorship": "J.D.Sauer", "genus": "Amaranthus", "subgenus": "", "specificEpithet": "rudis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Dale Thomas", "recordNumber": "121221", "verbatimEventDate": "1990-09-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Union", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}