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": ""}
  x(G` shore ofportage lake east of isle royale nat. park headquarters. houghton.   k * 1950-08-20     _ Asteraceae   7O B Asterales    michigan +)H0  CHARLES D. RICHARDS bFGO$  47.122785 1b ~   g7P-  -88.562146 HELIANTHOIDES ,bh    (l.) sweet B!        Heliopsis helianthoides   = FoI HELIPSIS 
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Heliopsis helianthoides", "scientificNameAuthorship": "(L.) Sweet", "genus": "Heliopsis", "subgenus": "", "specificEpithet": "helianthoides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "", "verbatimEventDate": "1950-08-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Shore of Portage Lake east of Isle Royale Nat. Park headquarters. Houghton.", "decimalLatitude": "47.122785", "decimalLongitude": "-88.562146", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}