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": ""}
 B O%0 STANDL. fabaceae 4`    John R. Walthco C     99    E CalliaZndra  l].hR 1557984  !( CALLI`ANDRA HOUSTONIANA   MEXICO 4  HOUSTONIANA ^k   G6p>  Fabales 6 mi. w. of yautepec 638  MORLOS p4          7 Yautepec  1950-08-13 2 
{"catalogNumber": "1557984", "order": "Fabales", "family": "Fabaceae", "scientificName": "Calliandra houstoniana", "scientificNameAuthorship": "Standl.", "genus": "Calliandra", "subgenus": "", "specificEpithet": "houstoniana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John R. Walthco", "recordNumber": "99", "verbatimEventDate": "1950-08-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Morelos", "county": "Yautepec", "municipality": "", "locality": "6 mi. W. of Yautepec", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}