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": ""}
 u`Sp FROM BOEUF RIVER, ABOUT 2 MILES EAST N ARKANSAS HIGHWAY 52. 1377386 , &     carex lupulina XaHFL   poales c       sk(W philip e. hyatt muhl. ex willd. k      United States ^2   K trs: t19s r2e Bsec 7 sw4       CVPERACEAE `R9  1995-07-07 ~  
{"catalogNumber": "1377386", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex lupulina", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Philip E. Hyatt", "recordNumber": "", "verbatimEventDate": "1995-07-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "From Boeuf River, about 2 miles east on Arkansas Highway 52.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T19S R2E sec 7 SW4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}