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": ""}
   _L 1251469   1915-08-06    United States T$V?    Wh/@ ASTERALES michigan  v)t    e Washtena_w   novae-angliae Tb  42.292178 lU  Symphyotrichum 3!t.   Symphyotrichum novae-angliae v   w] Cedar Bend, Ann Arbor.     7, -83.726758  yg^ asteraceae CARL D. LARUE w  (L.) G. L. Nesom h  
{"catalogNumber": "1251469", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum novae-angliae", "scientificNameAuthorship": "(L.) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "novae-angliae", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl D. LaRue", "recordNumber": "", "verbatimEventDate": "1915-08-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Cedar Bend, Ann Arbor.", "decimalLatitude": "42.292178", "decimalLongitude": "-83.726758", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}