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": ""}
 a1&U  1390564     UZ& BLACKTON, ARK HWY 39 & US HWY 49 INTERSECTION, TRIAN6LE OF LAND BETWEEN ROADS. Arkansas  B`y    -91.105251 y      V TRS: T1N R1W SEC 28 NE4 OF |SE4  united states |16)8   ^Z typhina   /&L: PHILIP E. HYATT  f CAREX TYPHINA  j6 cyperaceae s f4l:A Carex      poales  2&  199 6-05-24  zBV 7129 MONROE     sXv Michx. 34.666889 (6@4b  
{"catalogNumber": "1390564", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex typhina", "scientificNameAuthorship": "Michx.", "genus": "Carex", "subgenus": "", "specificEpithet": "typhina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Philip E. Hyatt", "recordNumber": "7129", "verbatimEventDate": "1996-05-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Monroe", "municipality": "", "locality": "Blackton, Ark Hwy 39 & US Hwy 49 intersection, triangle of land between roads.", "decimalLatitude": "34.666889", "decimalLongitude": "-91.105251", "verbatimCoordinates": "TRS: T1N R1W sec 28 NE4 of SE4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}