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": ""}
    piperaceae 6!LO    PIPER Un   RETROFRACTUM 7    ?8md TALIMBOBOG mimaropa 5ql(      7F  1929-06  |, PIPER RETROFRACTUM    1641866 L^   vahl ]  PIPERALES f9s    Palawan rQ 
{"catalogNumber": "1641866", "order": "Piperales", "family": "Piperaceae", "scientificName": "Piper retrofractum", "scientificNameAuthorship": "Vahl", "genus": "Piper", "subgenus": "", "specificEpithet": "retrofractum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1929-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Mimaropa", "county": "Palawan", "municipality": "", "locality": "Talimbobog", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}