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": ""}
 456  gr3   poaceae `_OS        5J<U ESTUCA OCTOFLORA     oxGO festuca   HZID POALES   tGR, MARK TWAIN NATL. FOREST., 0.5 MI N OF HWY JJ AND 0.8 MI E OF HY 67. ALONG FOREST RD 2501    ~FR4 walt. _UNITED STATES ZM;N!     1983-06-16   
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Festuca octoflora", "scientificNameAuthorship": "Walt.", "genus": "Festuca", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4756", "verbatimEventDate": "1983-06-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Mark Twain Natl. Forest., 0.5 mi N of Hwy JJ and 0.8 mi E of hy 67. Along forest RD 2501", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}