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": ""}
 2 T  1644254 United States 6        T ~+: ENGELMANNII lindheimeri  5     vz CACTACEAE   ABH MARGERY S. ANTHONY 618 vYeF  (engelm.) parfitt & pinkava =.     ufz var.  <Bg Opuntia engelmannii var. lindheimeri l. benson V    Jeff Davis ]@ %    texas ^W  Obuntia  .R~F   
{"catalogNumber": "1644254", "order": "", "family": "Cactaceae", "scientificName": "Opuntia engelmannii var. lindheimeri", "scientificNameAuthorship": "(Engelm.) Parfitt & Pinkava", "genus": "Opuntia", "subgenus": "", "specificEpithet": "engelmannii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "lindheimeri", "identifiedBy": "L. Benson", "recordedBy": "Margery S. Anthony", "recordNumber": "618", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Jeff Davis", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}