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": ""}
       & 1391  ri&G  cyheboygan weed at edge of a lot P    Edward G. Voss PL .    |i 1952-08-15    1475898 7    -84.47448  J   R- > 45.646956  1J trifida  AMBROSIA TRIFID4 W   QO united states  4R$H ASTERALES
{"catalogNumber": "1475898", "order": "Asterales", "family": "", "scientificName": "Ambrosia trifida", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "trifida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "1391", "verbatimEventDate": "1952-08-15", "habitat": "weed at edge of a lot", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Cheboygan", "municipality": "", "locality": "", "decimalLatitude": "45.646956", "decimalLongitude": "-84.47448", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}