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": ""}
   @3 michigan   -86.011621   E,  frondosa fG:   homestead rd., near sugar house. M?_ W   WC`[: 1252369   h3 BENZIE     44.616877      q## 1972-08-31  Aq Bidens  b bidens frondosa ASTERACEAE nRi    L. dk,    United States U.ay  
{"catalogNumber": "1252369", "order": "", "family": "Asteraceae", "scientificName": "Bidens frondosa", "scientificNameAuthorship": "L.", "genus": "Bidens", "subgenus": "", "specificEpithet": "frondosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1972-08-31", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Benzie", "municipality": "", "locality": "Homestead Rd., near Sugar House.", "decimalLatitude": "44.616877", "decimalLongitude": "-86.011621", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}