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": ""}
  K, Troy [Coordinates are for Pospect Park.] 42.7245 o   FL_ s.n.    jtB -73.6857 canadensis yQ^|  potentilla canadensis  <k    ( ROSACKEAE 1559631 jzGJ   Rosales 5U     d1Uq the ink lab3l is in the hand of bela hubbard, houghton's assistant. hubbard did not become houghton's assistant until 1837, so this label was written well aKfter the collection was made.  Wu  4 Potentilla    G& L. 1830-05 GUJq   RENSSELAER 0C=f   > Douglass Houghton new york 4Ec  united states z    
{"catalogNumber": "1559631", "order": "Rosales", "family": "Rosaceae", "scientificName": "Potentilla canadensis", "scientificNameAuthorship": "L.", "genus": "Potentilla", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Douglass Houghton", "recordNumber": "s.n.", "verbatimEventDate": "1830-05", "habitat": "", "occurrenceRemarks": "The ink label is in the hand of Bela Hubbard, Houghton's assistant. Hubbard did not become Houghton's assistant until 1837, so this label was written well after the collection was made.", "associatedTaxa": "", "country": "United States", "stateProvince": "New York", "county": "Rensselaer", "municipality": "", "locality": "Troy [Coordinates are for Prospect Park.]", "decimalLatitude": "42.7245", "decimalLongitude": "-73.6857", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}