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": ""}
     on stump, jungle f    W] peperomia Piperaceae `Xd?      PETEN K 9+G    w2: guatemala 1931-03-20 c8     Hj  SCHLECHT. & CHAM.  harley h. bartlett +t&    % j. mathieu   Piperales P(;vu  12150 t #LM 
{"catalogNumber": "", "order": "Piperales", "family": "Piperaceae", "scientificName": "", "scientificNameAuthorship": "Schlecht. & Cham.", "genus": "Peperomia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J. Mathieu", "recordedBy": "Harley H. Bartlett", "recordNumber": "12150", "verbatimEventDate": "1931-03-20", "habitat": "on stump, jungle", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Guatemala", "stateProvince": "Peten", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}