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": ""}
havanensis mB        e  la 8143       a 1300568  3T%   CONVOLVULACEAE  + r 1933-02-24  hugh t. o'neill K =  (Jacq.) Urb. zS F<   hp6 k. robertson   v  jacquemontia havanensis      
{"catalogNumber": "1300568", "order": "", "family": "Convolvulaceae", "scientificName": "Jacquemontia havanensis", "scientificNameAuthorship": "(Jacq.) Urb.", "genus": "", "subgenus": "", "specificEpithet": "havanensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "K. Robertson", "recordedBy": "Hugh T. O'Neill", "recordNumber": "8143", "verbatimEventDate": "1933-02-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}