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": ""}
   1458349 jnn =    JUNCUS ACUMINATUS *AHe   kcAk 91-794   Mo; Campbell ACUMINATUS P@    B>AV AT JUNCTION OF I-75 & RT. 63. (EXIT 141)   /Px Tennessee  LOW, DISTURBED AREA. D<WB  united states ]%A  juncus  Z=n5    = 80R vern e. mcneilus     bJD d 1991-08-10  P poales  $>oTX juncaceae
{"catalogNumber": "1458349", "order": "Poales", "family": "Juncaceae", "scientificName": "Juncus acuminatus", "scientificNameAuthorship": "", "genus": "Juncus", "subgenus": "", "specificEpithet": "acuminatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Vern E. McNeilus", "recordNumber": "91-794", "verbatimEventDate": "1991-08-10", "habitat": "Low, disturbed area.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Tennessee", "county": "Campbell", "municipality": "", "locality": "At Junction of I-75 & Rt. 63. (Exit 141)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}