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": ""}
      1871 ^Ty      F; starr  FU 8 MILES NORTH OF RIO GRANDE CITY     3 fitchii 1006821 n5  United States !>   Cactaceae x5Qy   Echinocereus fitchii SVz &    x ^ wolfgang blum 1933-12-01 x+SU   
{"catalogNumber": "1006821", "order": "", "family": "Cactaceae", "scientificName": "Echinocereus fitchii", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "fitchii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Wolfgang Blum", "recordedBy": "", "recordNumber": "1871", "verbatimEventDate": "1933-12-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Starr", "municipality": "", "locality": "8 miles north of Rio Grande city", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}