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": ""}
45.556454 c   o73Br uniteo states  +u brassicales    f SISYMBRIUM      ALTISSIMUM   ZKY    [Js BRASSIGACEAE    E@iO SISYMBRIUM ALTISSIMUM  6 uG Michigan    r Nk roadside s of riggsville bog, near douglas lake.     1924-07-17 q 
{"catalogNumber": "", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Sisymbrium altissimum", "scientificNameAuthorship": "", "genus": "Sisymbrium", "subgenus": "", "specificEpithet": "altissimum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1924-07-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Roadside S of Riggsville Bog, near Douglas Lake.", "decimalLatitude": "45.556454", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}