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": ""}
  sI arkansas valley. south fort smith. massard prairie battlefield park. 315 yds sse of intersection of geren rd. & buske dr.  7*Q CYPERACEAE     2016-05-18 n     SEBASTIAN  v K`   ; MACK.    16-0262 O4Y$U      poales 8 n]    m   1557752    
{"catalogNumber": "1557752", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "Mack.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "16-0262", "verbatimEventDate": "2016-05-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Sebastian", "municipality": "", "locality": "Arkansas Valley. South Fort Smith. Massard Prairie Battlefield Park. 315 yds SSE of intersection of Geren Rd. & Buske Dr.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}