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": ""}
engelm. & bigelow       LOCALLY ABUNDANT WITH LARREA  R3+L  1644293 208      u  TEXAS  &vpyE MARGERY S. AN7HONY 44 mi W. of ecos Rive-r. Along Route 90  2Hh;      qWCJ 1948-03-31 chlorotica .QM~     #  CARYOPHYLLALES  cactaceae  `      OPUNTIA CHLOROTICA %.      I Terrell l. benson #w  
{"catalogNumber": "1644293", "order": "Caryophyllales", "family": "Cactaceae", "scientificName": "Opuntia chlorotica", "scientificNameAuthorship": "Engelm. & Bigelow", "genus": "", "subgenus": "", "specificEpithet": "chlorotica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "L. Benson", "recordedBy": "Margery S. Anthony", "recordNumber": "208", "verbatimEventDate": "1948-03-31", "habitat": "Locally abundant with Larrea", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Texas", "county": "Terrell", "municipality": "", "locality": "44 mi W. of Pecos River. Along Route 90", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}