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": ""}
     ASTERACEAE     <u6M Michigan SOFT WATER LAKE =J &r   8nh H.M. BAILEY     43.02222 l#bh%      var. o K       GhZ -85.63993   X FZ RUDBECKIA HIRTA VAR. SEROTINA 
{"catalogNumber": "", "order": "", "family": "Asteraceae", "scientificName": "Rudbeckia hirta var. serotina", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H.M. Bailey", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Soft Water Lake", "decimalLatitude": "43.02222", "decimalLongitude": "-85.63993", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}