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": ""}
      x7h*d 42.28612  18773 5b  symphyotrichum pilosum var. pilosum ,a0     xb^`A VAR.  -85.3 1206 Yx    9T kalamazoo   SYMPHYOTRICHUM :   f roadside; on exposed bank of perimeter rd; full sun; dry gravel. occasional.  +K4@ 1251663  JJ E: MICIGAN 1993-10-04 7VpS  pilosum 9 yK     
{"catalogNumber": "1251663", "order": "", "family": "", "scientificName": "Symphyotrichum pilosum var. pilosum", "scientificNameAuthorship": "", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "pilosum", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "18773", "verbatimEventDate": "1993-10-04", "habitat": "Roadside; on exposed bank of Perimeter Rd; full sun; dry gravel. Occasional.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Kalamazoo", "municipality": "", "locality": "", "decimalLatitude": "42.28612", "decimalLongitude": "-85.31206", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}