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": ""}
   4R 1997-03-29 CYPERACEAE  w<m%   ^1 ; Lincoln MUHL. EX WILLD. ! H  1384848 j3      .c PHILIP E. HYATT  s!hk4 33.413836   wHJi RETROFLEXA carex 3^Y *  poales V c(*    arkansas P0(iY    W United States carex retroflexa !    U  1.4 miles north of drew co on us hwy 425.  d@Y  7288  -91.850827 Y8 
{"catalogNumber": "1384848", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex retroflexa", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "Carex", "subgenus": "", "specificEpithet": "retroflexa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Philip E. Hyatt", "recordNumber": "7288", "verbatimEventDate": "1997-03-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Lincoln", "municipality": "", "locality": "1.4 miles north of Drew Co on US Hwy 425.", "decimalLatitude": "33.413836", "decimalLongitude": "-91.850827", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}