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": ""}
 angustifolium  @ I    douglass houghton E!:Xt     $o Asparagales [specimen from unbound houghton book m6arked exchange^]     v sisyrinchium angustifolium  %A? 1480549  1l -73.6857  xo` 42.7245 UNITED STATES ,]   anton a. reznicek FZ r_    >n(; NEW YORK  I| N 1830-07  |wZ Mill.  n_z4; IRIDACEAE  troy [coordinates are for prospect park.] G    RENSSELAER  ?r:   Brk sisyrinchium  
{"catalogNumber": "1480549", "order": "Asparagales", "family": "Iridaceae", "scientificName": "Sisyrinchium angustifolium", "scientificNameAuthorship": "Mill.", "genus": "Sisyrinchium", "subgenus": "", "specificEpithet": "angustifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Douglass Houghton", "recordNumber": "", "verbatimEventDate": "1830-07", "habitat": "", "occurrenceRemarks": "[Specimen from unbound 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": "-73.6857", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}