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": ""}
  dX, SANDY BEACH, LAKE [MICHIGAN] SHORE    54 1287640    c^g8  euphorbiaceae s.n. =7  -86.4873 ^   [  MICHIGAN EU PHORBIA POLYGONIFOLIA  m#k    ED1Gs JOHN WRIGHT  BERRIEN SnN     s!MX l.    (ZN f united states     
{"catalogNumber": "1287640", "order": "", "family": "Euphorbiaceae", "scientificName": "Euphorbia polygonifolia", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John Wright", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "Sandy beach, Lake [Michigan] shore", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Berrien", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-86.4873", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}