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": ""}
 PRAECOCIUS T?  1430462 C   HL34 ontario  L(Vz essex  :gnLF Dichanthelium praecocius 1982-06-17 X  m. j. oldham o?    CANADA ,DmZ1     @fL0 Poales     uWNI 2793   s;3 DICHNTHELIUM     ~ (hitchc. & chase) mohlenbr.   Ojibway Prairie Provincial Nature Reserve, N of Titcombe Rd., UTM grid ref. 294808 (map 40 J/6 Windsor) N =$kx   N*,q_ Poaceae
{"catalogNumber": "1430462", "order": "Poales", "family": "Poaceae", "scientificName": "Dichanthelium praecocius", "scientificNameAuthorship": "(Hitchc. & Chase) Mohlenbr.", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "praecocius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. J. Oldham", "recordNumber": "2793", "verbatimEventDate": "1982-06-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Essex", "municipality": "", "locality": "Ojibway Prairie Provincial Nature Reserve, N of Titcombe Rd., UTM grid ref. 294808 (map 40 J/6 Windsor)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}