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": ""}
  M tephrosia  1183607      _@W Tephrosia tenella    MEXICO  + A   FABALES o|ny7   FABACEAE k<  meste±as; 8 mi n san lucas, road to chihuahua W`=   z A. GRAY  l ~z  CHIHUAHUA S. Whie afo@      ~u CAMARGO    2C?, 2326  -104.6 9   ( 1939-08-08 
{"catalogNumber": "1183607", "order": "Fabales", "family": "Fabaceae", "scientificName": "Tephrosia tenella", "scientificNameAuthorship": "A. Gray", "genus": "Tephrosia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S. White", "recordNumber": "2326", "verbatimEventDate": "1939-08-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Chihuahua", "county": "Camargo", "municipality": "", "locality": "Meste\u00c3\u00b1as; 8 mi N San Lucas, road to Chihuahua", "decimalLatitude": "", "decimalLongitude": "-104.6", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}