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": ""}
  a HOUGHTON  M4( 1926-06-14 rhododendron groenlandicum p%lD         M o michigan   $.  kathleen a. kron GROENLANDICUM O_  250 S   p<N 1241347  rhododendron *T    b THE SWAMP     w (oeder) k.a. kron & w.s. judd   Frederick J. Hermann pE$  
{"catalogNumber": "1241347", "order": "", "family": "", "scientificName": "Rhododendron groenlandicum", "scientificNameAuthorship": "(Oeder) K.A. Kron & W.S. Judd", "genus": "Rhododendron", "subgenus": "", "specificEpithet": "groenlandicum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Kathleen A. Kron", "recordedBy": "Frederick J. Hermann", "recordNumber": "250", "verbatimEventDate": "1926-06-14", "habitat": "The Swamp", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}