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": ""}
  42.7245 X8t0c  1829-05 eT   1480103 *b    RENSSELAER ?/34%    2$ UNITED STATES   d Carex disperma  c ANTON A. REZNICEK       rI&kH TROY [COORDINATES ARE FOR PROSPECT PARK.]   :Z DISPERMA CYPERACEAE KS  [IN PACKET ON SHEET WITH IMAGE: ADDITIONAL APPAA;ENTLY DUPLICATE COLLECTION FROM UNBOUND PAGES OF HOUGHTON BOOK MARKED EXCHANGE.] ? K   dewey  tkb    1 New York   D+ douglass houghton
{"catalogNumber": "1480103", "order": "", "family": "Cyperaceae", "scientificName": "Carex disperma", "scientificNameAuthorship": "Dewey", "genus": "", "subgenus": "", "specificEpithet": "disperma", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Douglass Houghton", "recordNumber": "", "verbatimEventDate": "1829-05", "habitat": "", "occurrenceRemarks": "[In packet on sheet with image: Additional apparently duplicate collection from unbound pages of Houghton book marked exchange.]", "associatedTaxa": "", "country": "United States", "stateProvince": "New York", "county": "Rensselaer", "municipality": "", "locality": "Troy [Coordinates are for Prospect Park.]", "decimalLatitude": "42.7245", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}