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": ""}
  1939-08-20 _fQ%    MIv FABACEAE    >0 chamaecrista VAR. ,qN     .(S+ S. WHITE   CHIHUAHUA X,!   J MENSALIS 1615 uMgv  1152423 ;be^        0 a CHAMAECRISTA NICTITANS VAR. MENSALIS    &8B?G NICTITANS  28.4836 ]?    ZE=B MEXICO
{"catalogNumber": "1152423", "order": "", "family": "Fabaceae", "scientificName": "Chamaecrista nictitans var. mensalis", "scientificNameAuthorship": "", "genus": "Chamaecrista", "subgenus": "", "specificEpithet": "nictitans", "verbatimTaxonRank": "var.", "infraspecificEpithet": "mensalis", "identifiedBy": "", "recordedBy": "S. White", "recordNumber": "", "verbatimEventDate": "1939-08-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Chihuahua", "county": "", "municipality": "", "locality": "", "decimalLatitude": "28.4836", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1615", "maximumElevationInMeters": ""}