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": ""}
0.5 mi w dunleith. c   |[@ R mississippi Washington  E+eL   7VZ/3 Poale    charles t. bry5on P      c`W  united states ELEOCHARIS W  1397880 =!^C  4472 [MI   3(, cyperaceae     2 -5B (WILLD.) SCHULT.    3 Eleochai s obtusa  obtusa !:b0    giW) 1986-07-09 
{"catalogNumber": "1397880", "order": "Poales", "family": "Cyperaceae", "scientificName": "Eleocharis obtusa", "scientificNameAuthorship": "(Willd.) Schult.", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "obtusa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles T. Bryson", "recordNumber": "4472", "verbatimEventDate": "1986-07-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Mississippi", "county": "Washington", "municipality": "", "locality": "0.5 mi W Dunleith.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}