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": ""}
      michigan tV4u  1980-05-07 g     t Isabella single large tree with five main stems, about 18m x 45cm; apparently plant. see gereau no. 477 for mature foliage. d932S     shepherd roadside park (isabella co. parks and recreatiom dept.), on south side of drive near outhouses. [VgQ      r]@J euxina  1323984 ab     K e* SALIX EUXINA malpighiales D  
{"catalogNumber": "1323984", "order": "Malpighiales", "family": "", "scientificName": "Salix euxina", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "euxina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1980-05-07", "habitat": "", "occurrenceRemarks": "Single large tree with five main stems, about 18m x 45cm; apparently plant. See Gereau no. 477 for mature foliage.", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Isabella", "municipality": "", "locality": "Shepherd Roadside Park (Isabella Co. Parks and Recreation Dept.), on south side of drive near outhouses.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}