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": ""}
 r SYMPHYOTRICHUM  2gnS  1250733  Redford u!Z   >zV cordifolium  A R -83.296R385   5  United States Oliver A. Farwell -   W q asterales  a!5*1 wayne     =G 4755    ,cYA Asteraceae SYMPHYOTRICHUM CORDIFOLIUM mm[  Michigan  :    I7MU 42.395502    1917-10-14 D   (l.) g. l. nesom F?; 
{"catalogNumber": "1250733", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum cordifolium", "scientificNameAuthorship": "(L.) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "cordifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "4755", "verbatimEventDate": "1917-10-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Wayne", "municipality": "", "locality": "Redford", "decimalLatitude": "42.395502", "decimalLongitude": "-83.296385", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}