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": ""}
   EZx` marginata  charles d. richards O   BBU   NEAR RR TRACKS AT DOLLAR BAY. -88.493487 z  Pursh          Edward G. Voss j!e(X   + 1287548       Euphorbia  2yeb    .?][- United States  
{"catalogNumber": "1287548", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Pursh", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "marginata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Charles D. Richards", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "near RR tracks at Dollar Bay.", "decimalLatitude": "", "decimalLongitude": "-88.493487", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}