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": ""}
   u4  M.A. Luckow   p G pumilus 1899-09-16 0e    var. !z/V;    mexico ()_   )7H=b CYRUS G. PRINGLE  lH HIDALGO  FABALES     tetepango; tetepango Yv%3  desmanthus j0R  CALCAREOUS SOIL x s     D |. fabaceae -99.1569 N    ^ 20.1023  @ uO desmanthus pumilus |var. pumilus
{"catalogNumber": "", "order": "Fabales", "family": "Fabaceae", "scientificName": "Desmanthus pumilus var. pumilus", "scientificNameAuthorship": "", "genus": "Desmanthus", "subgenus": "", "specificEpithet": "pumilus", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "M.A. Luckow", "recordedBy": "Cyrus G. Pringle", "recordNumber": "", "verbatimEventDate": "1899-09-16", "habitat": "Calcareous soil", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Hidalgo", "county": "", "municipality": "", "locality": "Tetepango; Tetepango", "decimalLatitude": "20.1023", "decimalLongitude": "-99.1569", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}