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": ""}
   POIR. k*  HAROLD N. MOLDENKE W  Ipomoea /V     y  CATH4RTICA      1930-03-12 (d  convolvulaceae Cx   Flowers white !vk0      .YI? solanales 1544986 HU    G% 772 florida 7gv3    
{"catalogNumber": "1544986", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "", "scientificNameAuthorship": "Poir.", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "cathartica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Harold N. Moldenke", "recordNumber": "772", "verbatimEventDate": "1930-03-12", "habitat": "", "occurrenceRemarks": "Flowers white", "associatedTaxa": "", "country": "", "stateProvince": "Florida", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}