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": ""}
  + du roi   43.31861 F#y  Common, p4rticularly on moister ground. Soi|: Newton loamy sand and associated Saugatuck loamy sand.      2$= -86.26167   dalton twp. I(=     SPIRAEA ALBA N    muskegon r- ;P   ERIC A. BOURDO, JR.  YSz   q@ 145   (I Spiraea    I>< ALBA rosaceae k(3oH   l4CIz UNITEO STATES
{"catalogNumber": "", "order": "", "family": "Rosaceae", "scientificName": "Spiraea alba", "scientificNameAuthorship": "Du Roi", "genus": "Spiraea", "subgenus": "", "specificEpithet": "alba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Eric A. Bourdo, Jr.", "recordNumber": "145", "verbatimEventDate": "", "habitat": "Common, particularly on moister ground. Soil: Newton loamy sand and associated Saugatuck loamy sand.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Muskegon", "municipality": "", "locality": "Dalton Twp.", "decimalLatitude": "43.31861", "decimalLongitude": "-86.26167", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}