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": ""}
ASTERACEAE %=   vc/7U prenanthes   x6?z 1829-09  g$: PALL. asterales 3I  [Lansingburgh is now North Troy] 0b    altissima  $90   douglass houghtonXgPJ    Anton A.n Reznicek Q     # new york  prenanthes altissima s    UNITED STATES Gm`B      rensselaer /2hND    ASihp -73.6699  3I&; 42.7848
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Prenanthes altissima", "scientificNameAuthorship": "Pall.", "genus": "Prenanthes", "subgenus": "", "specificEpithet": "altissima", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Douglass Houghton", "recordNumber": "", "verbatimEventDate": "1829-09", "habitat": "", "occurrenceRemarks": "[Lansingburgh is now North Troy]", "associatedTaxa": "", "country": "United States", "stateProvince": "New York", "county": "Rensselaer", "municipality": "", "locality": "", "decimalLatitude": "42.7848", "decimalLongitude": "-73.6699", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}