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^2  acuminatus  ) LOUIS F. HENDERSON 1446460 f.M6(     juncaceae It    1882-07-29 i   juncBus t    Poales A!   orCegon $A9R    Juncus acuminatus 9e  United States  x=  Multnomah Q>nX   michx.  pm   fX$q s.n.  
{"catalogNumber": "1446460", "order": "Poales", "family": "Juncaceae", "scientificName": "Juncus acuminatus", "scientificNameAuthorship": "Michx.", "genus": "Juncus", "subgenus": "", "specificEpithet": "acuminatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Louis F. Henderson", "recordNumber": "s.n.", "verbatimEventDate": "1882-07-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Oregon", "county": "Multnomah", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}