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": ""}
  R7x atropurpurea      benth. & hook.f. ex hemsl. vTM   LXc 16746B         ! arracac|a atropurpurea MEXICO 5   1272762 g4G);   lI p  lincoln constance  DISTRITO FEDERAL    apiales CK1.  C. Ritchie Bell  o  1959-08-23 b|    ]B contact um herbarium
{"catalogNumber": "1272762", "order": "Apiales", "family": "", "scientificName": "Arracacia atropurpurea", "scientificNameAuthorship": "Benth. & Hook.f. ex Hemsl.", "genus": "", "subgenus": "", "specificEpithet": "atropurpurea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Lincoln Constance", "recordedBy": "C. Ritchie Bell", "recordNumber": "16746b", "verbatimEventDate": "1959-08-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Distrito Federal", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}