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": ""}
   ;+ pilosum opening in thicket u       ?& 1243996    7m GALIUM PILOSUM  t 3  1986-09-09 galium h          p -84.24787    SI% 1947  fD| lenawee Aiton `$  Michigan e r&~     GENTIANALES  
{"catalogNumber": "1243996", "order": "Gentianales", "family": "", "scientificName": "Galium pilosum", "scientificNameAuthorship": "Aiton", "genus": "Galium", "subgenus": "", "specificEpithet": "pilosum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1947", "verbatimEventDate": "1986-09-09", "habitat": "opening in thicket", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.24787", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}