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": ""}
  : PIPER    + frequent on highest trees in rain forest M. S. Clemens Dm    Piper hederaceum w^    p3 QUEENSLAND    piperales z    z CJ Piperaceae North Kennedy n    t s.n. australia c-r;.     NuU[x 1641766  Yh0 darymple heights, and vicinity  
{"catalogNumber": "1641766", "order": "Piperales", "family": "Piperaceae", "scientificName": "Piper hederaceum", "scientificNameAuthorship": "", "genus": "Piper", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. S. Clemens", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "Frequent on highest trees in rain forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Australia", "stateProvince": "Queensland", "county": "North Kennedy", "municipality": "", "locality": "Darymple Heights, and vicinity", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}