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": ""}
  b@( John H. Ehlers  leucanthemum  k ic    1076 t       ;(R[ vulgare  mill yard, /     United States !.e~   _ Ay 45.74531   leucanthemum vulgare =;    3S*,o Lam.   ;l?GD asterales -84.83744 EE.!   1920-07-24  ))  
{"catalogNumber": "", "order": "Asterales", "family": "", "scientificName": "Leucanthemum vulgare", "scientificNameAuthorship": "Lam.", "genus": "Leucanthemum", "subgenus": "", "specificEpithet": "vulgare", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "1076", "verbatimEventDate": "1920-07-24", "habitat": "Mill yard,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.74531", "decimalLongitude": "-84.83744", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}