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": ""}
  273 fiu      4 (Benth.) B.L. Tur0ner & Birdsong  uoG Asteracee   var. !o@i    GENTLY SLOPING GRASSLAND HILLS ?ijA)         1537689 JVK      JALISCO A  
{"catalogNumber": "1537689", "order": "", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "(Benth.) B.L. Turner & Birdsong", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "273", "verbatimEventDate": "", "habitat": "Gently sloping grassland hills", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Jalisco", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}