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": ""}
 r St. Helena Island on middle of E shoreO of Island,     asterales  5Y3 LINDA E. WATSON  MICHIGAN Xa/     _/i edward g. voss    Tanac+etum xbM        -84.869     45.8584 l@FZ?      mWMs9 1517318 
{"catalogNumber": "1517318", "order": "Asterales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Tanacetum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Linda E. Watson", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "St. Helena Island on middle of E shore of Island,", "decimalLatitude": "45.8584", "decimalLongitude": "-84.869", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}