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": ""}
   8550  I  UNITED STATES Xk         a 1958-07-26   % michigan 42.575201 P|[N_   P N. SIDE OF PROUD LAKE. pumila 6.$@    ?EJ3r betulaceae  E L.    fagales       # MARSHES. LOW SHRUB CA. 5 FT. HIGH, ABUDANT. WITH B. Ã PURPUSII 
{"catalogNumber": "", "order": "Fagales", "family": "Betulaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "8550", "verbatimEventDate": "1958-07-26", "habitat": "Marshes. Low shrub ca. 5 ft. high, abundant. With B. \u00c3\u0097 purpusii", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "N. side of Proud Lake.", "decimalLatitude": "42.575201", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}