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": ""}
  23466 Pbn     p ocozocoautla de espinosa    Y  PIPER ADUNCUM     Dennis E. Breedlove vV& D       1972-01-04 OR*R  piper OxA    6*P0 13-15 km south of Ocozocoautla along road to Villa Flores   =m (x PIPERACEAE  
{"catalogNumber": "", "order": "", "family": "Piperaceae", "scientificName": "Piper aduncum", "scientificNameAuthorship": "", "genus": "Piper", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dennis E. Breedlove", "recordNumber": "23466", "verbatimEventDate": "1972-01-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Ocozocoautla de Espinosa", "municipality": "", "locality": "13-15 km south of Ocozocoautla along road to Villa Flores", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}