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": ""}
 m4-l& 194428 L. cJ9    Eq=v squarrosus    Poales  shannon J%   CYPERACEAE xxM<W   BUTTIN ROCK MOUNTAINS, ALONG CURRENT RIVER JUST UPSTREAM FR$OM ROCKY CREEK ACCESS. `=yo    BA,  847     1986-07-09 l:H   *VL3: n. hensold   United Sates BZ  missouri 9f  cyperus 2q1    &F_& CYPERUS SQUARROSUS   
{"catalogNumber": "1394428", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus squarrosus", "scientificNameAuthorship": "L.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "squarrosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "N. Hensold", "recordNumber": "847", "verbatimEventDate": "1986-07-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Missouri", "county": "Shannon", "municipality": "", "locality": "Buttin Rock Mountains, along Current River just upstream from Rocky Creek access.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}