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": ""}
 JUNCACEAE      CASTANEUS |D8!t   :;fG 1447786  As 533 SM. Rh+    contact um herbarium c#BD     SUBSP. I]kUY    +.M(c Poales castaneus b=g   `& united states colorado Kr k)  Juncus castaneus subsp. castaneus =2B    raymond tallent 3bo   < juncvs  
{"catalogNumber": "1447786", "order": "Poales", "family": "Juncaceae", "scientificName": "Juncus castaneus subsp. castaneus", "scientificNameAuthorship": "Sm.", "genus": "Juncus", "subgenus": "", "specificEpithet": "castaneus", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "castaneus", "identifiedBy": "", "recordedBy": "Raymond Tallent", "recordNumber": "533", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}