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": ""}
   PIPERALES 47m J  peperomia leptostachya hbg   australia y NK?     e7J 43729 hook. & arn. a3i   o?r M. S. CLEMENS  wl  leptostachya       ~jPAp CROWS NEST, ROCK CREVICES Piperaceae 6p*  toowoomba ,r_;   H Peperomia  X 1944-02 -23   ygq@ queensand  L 1663846 
{"catalogNumber": "1663846", "order": "Piperales", "family": "Piperaceae", "scientificName": "Peperomia leptostachya", "scientificNameAuthorship": "Hook. & Arn.", "genus": "Peperomia", "subgenus": "", "specificEpithet": "leptostachya", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. S. Clemens", "recordNumber": "43729", "verbatimEventDate": "1944-02-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Australia", "stateProvince": "Queensland", "county": "Toowoomba", "municipality": "", "locality": "Crows Nest, rock crevices", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}