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": ""}
   1997-09-25 /=TAC     3738 s       C.S sandy field  o!7O  Robert W. Smith  in gerber hill county park, deerfield twp. t7sr5es24, sw qtr of se qtr @DR       2K&WSymphyotrichum pilosum   (WILLD.) G. L. NESOM C)J       G0CaU asterales 
{"catalogNumber": "", "order": "Asterales", "family": "", "scientificName": "Symphyotrichum pilosum", "scientificNameAuthorship": "(Willd.) G. L. Nesom", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "3738", "verbatimEventDate": "1997-09-25", "habitat": "sandy field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "in Gerber Hill County Park, Deerfield Twp. T7SR5ES24, sw qtr of se qtr", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}