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": ""}
 R.W. Cruden  I*U     mexico -$?CB                 WT 2438  T9UEg -100.91    S 1961-11-09  w 4 las peras; 18 mi e of morelia, between the rã­o del saklto and la polvilla    
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R.W. Cruden", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1961-11-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Las Peras; 18 mi E of Morelia, between the r\u00c3\u00ado del Salto and La Polvilla", "decimalLatitude": "", "decimalLongitude": "-100.91", "verbatimCoordinates": "", "minimumElevationInMeters": "2438", "maximumElevationInMeters": ""}