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": ""}
   %= SYMPHYOTRICHUM  700-block, fo>rest ave., ann arbor k >      $ -83.733126   =9 (L.) G. L. NESOM  v ASTERACEAE  l_UuS 42.273685 asterales 2    1475850 Og[eN    (< Edward G. Voss  SYMPHYOTRICHUM CORDIFOLIUM m;    ; 1828        6iJ corifolium
{"catalogNumber": "1475850", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum cordifolium", "scientificNameAuthorship": "(L.) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "cordifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "1828", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "700-block, Forest Ave., Ann Arbor", "decimalLatitude": "42.273685", "decimalLongitude": "-83.733126", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}