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": ""}
asteraceae 6 < `     DZ<:x "VERY WET FEN/S@EDGE MEADOW ARE SOUTH OF BOARDWALK, GROWING WITH CAREX STRICTA, ASTER FIMUS, LARIX LARICINA, ANDEUPATORIUM PERF OLIATUM (WITH #745)"       WASHTNAW ~    b Michigan SYMPHYOTRICHUM  njq   ? 3m 747 1994-10-20 wjF            
{"catalogNumber": "", "order": "", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "747", "verbatimEventDate": "1994-10-20", "habitat": "", "occurrenceRemarks": "\"Very wet fen/sedge meadow area south of boardwalk, growing with Carex stricta, Aster firmus, Larix laricina, and Eupatorium perfoliatum (with #745)\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}