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": ""}
  MART. u4b+         %? BRAHEA DULCIS  El EdÃ©n; 9 mi S of Cd. Victoria, along route 70 W   Fy pr 1961-04-08  sh: 4540   c| WW Brahea      [! arecaceae 1000334 f4G     bo2 Victoria  
{"catalogNumber": "1000334", "order": "", "family": "Arecaceae", "scientificName": "Brahea dulcis", "scientificNameAuthorship": "Mart.", "genus": "Brahea", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4540", "verbatimEventDate": "1961-04-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Victoria", "municipality": "", "locality": "El Ed\u00c3\u00a9n; 9 mi S of Cd. Victoria, along route 70", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}