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": ""}
HELIANTHUS ]   strumosus 1m* .   ASTERACEAE 6#a   1891-09-21 5[y?Y  ASTERALES G      D -83.726329   +M michigan   42.270872 #T[   ! a.a. [ann arbor] L. D4>,T   George B. Sudworth 2_ j5  1254258 @      3 P  united states "4 ft." 8   ru- helianthus strumosus WASHTENAW 0 Jh 
{"catalogNumber": "1254258", "order": "Asterales", "family": "Asteraceae", "scientificName": "Helianthus strumosus", "scientificNameAuthorship": "L.", "genus": "Helianthus", "subgenus": "", "specificEpithet": "strumosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George B. Sudworth", "recordNumber": "", "verbatimEventDate": "1891-09-21", "habitat": "", "occurrenceRemarks": "\"4 ft.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "A.A. [Ann Arbor]", "decimalLatitude": "42.270872", "decimalLongitude": "-83.726329", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}