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": ""}
  BX -84.741855  ,egD Rosaceae 44.511236 K  alba n   J@W4 Spiraea alba DU ROI V^   state forestry farm. F     roscommon   . SPIRAEA   1471264 7z     f r0sales  michigan pWX   ! A.J. Pieters United States 1n   ;= s.n.  ; [Complex of S. latifolia and S. alba intermediate in: stem color; L/W ratio (leaf)(4RK58)] 1916-08-10 % s+!    
{"catalogNumber": "1471264", "order": "Rosales", "family": "Rosaceae", "scientificName": "Spiraea alba", "scientificNameAuthorship": "Du Roi", "genus": "Spiraea", "subgenus": "", "specificEpithet": "alba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A.J. Pieters", "recordNumber": "s.n.", "verbatimEventDate": "1916-08-10", "habitat": "", "occurrenceRemarks": "[Complex of S. latifolia and S. alba intermediate in: stem color; L/W ratio (leaf)(ARK58)]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Roscommon", "municipality": "", "locality": "State Forestry Farm.", "decimalLatitude": "44.511236", "decimalLongitude": "-84.741855", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}