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 t0E   >`<S var.    e!) (nutt.) core serotina &     b A dry soil, field  u  pX near Ann Arbor,  Aserales F`$   -` mchigan Rudbeckia hirta ar. serotina Y0  21 g  Ypaul j. podolski ap   ` 1256339  C] hirta  M 1917-07-20   _ S Washtenaw  (1 rudbeckia UNITED STATES ,  .Z   
{"catalogNumber": "1256339", "order": "Asterales", "family": "Asteraceae", "scientificName": "Rudbeckia hirta var. serotina", "scientificNameAuthorship": "(Nutt.) Core", "genus": "Rudbeckia", "subgenus": "", "specificEpithet": "hirta", "verbatimTaxonRank": "var.", "infraspecificEpithet": "serotina", "identifiedBy": "", "recordedBy": "Paul J. Podolski", "recordNumber": "21", "verbatimEventDate": "1917-07-20", "habitat": "Dry soil, field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "near Ann Arbor,", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}