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": ""}
  1977-08-17 8,k         =. MICHIGAN   |6`q 41.76077  Sagittaria R        alismataceae xe      F,( [ACHENES VERY YOUNG, BUT CLEARLY SHORT-BEAKED; ANTHERS APPARENTLY LONGER THAN FILAMENTS AAR 2008]    Lx5Z new buffa|o twp, t8s, r21w, sec. 19; east of amtrak railroad justnorth of michigan-indiana boroer.
{"catalogNumber": "", "order": "", "family": "Alismataceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Sagittaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1977-08-17", "habitat": "", "occurrenceRemarks": "[Achenes very young, but clearly short-beaked; anthers apparently longer than filaments AAR 2008]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "New Buffalo Twp, T8S, R21W, Sec. 19; east of AMTRAK railroad just north of Michigan-Indiana border.", "decimalLatitude": "41.76077", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}