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": ""}
   1939-09-19 fe|    p + 8 betty m. robertson  ALONG DRIED RIVER BANK, WOODS $      $|3y 42.0764  Q strumarim    ;H -83.677     monroe <Cu  ASTERALES B*   xanthium strumarium j   U  SE. OF MILAN 1258359 wMQ1    Michigan nf= 
{"catalogNumber": "1258359", "order": "Asterales", "family": "", "scientificName": "Xanthium strumarium", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "strumarium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Betty M. Robertson", "recordNumber": "", "verbatimEventDate": "1939-09-19", "habitat": "Along dried river bank, woods", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Monroe", "municipality": "", "locality": "SE. of Milan", "decimalLatitude": "42.0764", "decimalLongitude": "-83.677", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}