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": ""}
  (Vn6+ lapeer   1972-05-24  6  PRUNUS VIRGINIANA w  pru3nus ET  johwn @merkle t3   72-33 8-p:     ^ 1468593     WM MICHIGAN  5,^ rosaceae  5[  rosals    S 8) common around edges and as shurbs in woods.      L  VIRGINIANA
{"catalogNumber": "1468593", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus virginiana", "scientificNameAuthorship": "", "genus": "Prunus", "subgenus": "", "specificEpithet": "virginiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John Merkle", "recordNumber": "72-33", "verbatimEventDate": "1972-05-24", "habitat": "Common around edges and as shurbs in woods.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Lapeer", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}