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": ""}
 A Rosaceae  PENSYLVANICA 19#>    MEf  the ink label is in the hand of bela hubbard, hovghton's assistant. hubbard did not become houghton's assistant until 1837, so this label was written well after the collection was made.    ]0DS( ROSALES Prunus O   1830-04 n&     Prunus pensylvanica   a  United States ` &     Douglass Houghton [W     Z#d  TROY [COORDINATES ARE FOR PROSPECT PARK.]    5oe rensselaer   L. F. 7  42.7245  w< 
{"catalogNumber": "", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus pensylvanica", "scientificNameAuthorship": "L. f.", "genus": "Prunus", "subgenus": "", "specificEpithet": "pensylvanica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Douglass Houghton", "recordNumber": "", "verbatimEventDate": "1830-04", "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": "", "county": "Rensselaer", "municipality": "", "locality": "Troy [Coordinates are for Prospect Park.]", "decimalLatitude": "42.7245", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}