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": ""}
   poales Ymc^   canada H     1430463  &]X    (HITCHC. & CHASE) MOHLENxBR. i     F Y Ontario  Jzv poaceae   NJLw2 1909-07-20   11C PRAECOCIUS  DICHHANTHELIUM PRAECOCIUS a)XH      P~wv7 Squirrel Island
{"catalogNumber": "1430463", "order": "Poales", "family": "Poaceae", "scientificName": "Dichanthelium praecocius", "scientificNameAuthorship": "(Hitchc. & Chase) Mohlenbr.", "genus": "", "subgenus": "", "specificEpithet": "praecocius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1909-07-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Squirrel Island", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}