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": ""}
45.646956 %   United States z   fX%A0 DISCOIDEA   DC. G_k,*d   Ci7y dumping ground U*mv,     Mfyh` Matricaria discoidea       + e0 cheboygan  tn+ matricaria  A 6092  fNR` asterazceae     ^   1936-07-2   EQC  -84.47448 
{"catalogNumber": "", "order": "", "family": "Asteraceae", "scientificName": "Matricaria discoidea", "scientificNameAuthorship": "DC.", "genus": "Matricaria", "subgenus": "", "specificEpithet": "discoidea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "6092", "verbatimEventDate": "1936-07-20", "habitat": "City dumping ground", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Cheboygan", "municipality": "", "locality": "", "decimalLatitude": "45.646956", "decimalLongitude": "-84.47448", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}