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": ""}
    PEARL RIVER z $      $/ Cyperaceae    +7 POALES   $DF*P mississippi  along ms rt 43 bridge over a tributary of mill creek, 5.2 miles east of picayune & the interstate 59 interchange. Hq/-=   2000-03-15 gU$    xi7o 8831  (v@ V carex lon chocarpa    /lN:~ carex   
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex lonchocarpa", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "8831", "verbatimEventDate": "2000-03-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Mississippi", "county": "Pearl River", "municipality": "", "locality": "Along MS Rt 43 bridge over a tributary of Mill Creek, 5.2 miles east of Picayune & the Interstate 59 interchange.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}