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": ""}
 0  1644296 Opuntia chlorotica  ]uS   Coconino 0TT<     P# engelm. & bigelow   1939-07-17 jz!c   $ CHLOROTICA 4166 y    E. U. Clover O    ! caryophyllales     Ce7a( united states   OPUTIA 9iQz    i1O  indian gardens, bright angel trail, grand canyon   
{"catalogNumber": "1644296", "order": "Caryophyllales", "family": "", "scientificName": "Opuntia chlorotica", "scientificNameAuthorship": "Engelm. & Bigelow", "genus": "Opuntia", "subgenus": "", "specificEpithet": "chlorotica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. U. Clover", "recordNumber": "4166", "verbatimEventDate": "1939-07-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Coconino", "municipality": "", "locality": "Indian Gardens, Bright Angel Trail, Grand Canyon", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}