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": ""}
     Rp+a, Rajasthan  ? (brenan) kyal. & boatwr.     In semixerophytic forest X,      E^: 19697    senegal z*]  1502801 K7hr    *,( walter n. koelz   ,5= fbaceae   Fabales _1c    d< SENEGALIA
{"catalogNumber": "1502801", "order": "Fabales", "family": "Fabaceae", "scientificName": "", "scientificNameAuthorship": "(Brenan) Kyal. & Boatwr.", "genus": "Senegalia", "subgenus": "", "specificEpithet": "senegal", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "19697", "verbatimEventDate": "", "habitat": "In semixerophytic forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Rajasthan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}