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": ""}
 |n Q  steraceae  o Symphyotrichum pilosum var. pilosum  sWtt var. pilosum 5   P^9 PIL0SUM   NqW * 192.1-09-21 SYMPHYOTRICHUM MG   V`o&B -83.45216  G, 6018  z= united states   j4e michigan         n asterales  E8ljA Monroe    EFx2 1251607  G lasalle  
{"catalogNumber": "1251607", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum pilosum var. pilosum", "scientificNameAuthorship": "", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "pilosum", "verbatimTaxonRank": "var.", "infraspecificEpithet": "pilosum", "identifiedBy": "", "recordedBy": "", "recordNumber": "6018", "verbatimEventDate": "1921-09-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Monroe", "municipality": "", "locality": "LaSalle", "decimalLatitude": "", "decimalLongitude": "-83.45216", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}