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": ""}
   1471419 4m.9   / RUMEX   U-L charles a. davis  i l s.n.   yx~GW gratiot CARYOPHYLLALES 4% X7     h g9( 43.3814 1890-08-16 :I5I      B -84.64989        miRUd United States 
{"catalogNumber": "1471419", "order": "Caryophyllales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Rumex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles A. Davis", "recordNumber": "s.n.", "verbatimEventDate": "1890-08-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Gratiot", "municipality": "", "locality": "", "decimalLatitude": "43.3814", "decimalLongitude": "-84.64989", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}