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": ""}
   #pU A 1910-08-29  ?! M allegan CALVIN H. KAUFFMAN xz  1252401 %>   dw FENNVILLE BORDER OF HUTCHINS LAKE   eC7M MICHIGAN     ASTERACEAE <      united states l   BIDENS FRONDOSA 5*0   fO!x~ Asterale     Common  BcW?y FRONDOSA   L. xEZ 
{"catalogNumber": "1252401", "order": "Asterales", "family": "Asteraceae", "scientificName": "Bidens frondosa", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "frondosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Calvin H. Kauffman", "recordNumber": "", "verbatimEventDate": "1910-08-29", "habitat": "Common", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Allegan", "municipality": "", "locality": "Fennville Border of Hutchins Lake", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}