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": ""}
  Fnk michigan ann arbor       ! 1869-08-19      $l7 united states asterales tM     -83.726329 BHl    v## 1249762   4c97y Asteraceae       @C I L.   ~W ambrosia Ambro5ia trifida m,s   a`/q? mark w. harrington
{"catalogNumber": "1249762", "order": "Asterales", "family": "Asteraceae", "scientificName": "Ambrosia trifida", "scientificNameAuthorship": "L.", "genus": "Ambrosia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mark W. Harrington", "recordNumber": "", "verbatimEventDate": "1869-08-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Ann Arbor", "decimalLatitude": "", "decimalLongitude": "-83.726329", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}