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": ""}
   -86.W68333 L3    8042 db         SHRUB, SOMEWHAT SCANDENT; PETIOLE HORNED AT THE BASE OF THE BLADE ok5u    $HHw T. G. YUNCKER    Yoro  8    1938-06-28 bg/F    piper tuberculatum FeSH 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Piper tuberculatum", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "T. G. Yuncker", "recordNumber": "8042", "verbatimEventDate": "1938-06-28", "habitat": "", "occurrenceRemarks": "Shrub, somewhat scandent; petiole horned at the base of the blade", "associatedTaxa": "", "country": "", "stateProvince": "Yoro", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-86.68333", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}