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": ""}
     KQ Ppolygonum nathan w. easterly X i   -83.66935 < Dva      < 41.86125 UNITED STATES EnW   R= :u 1980-08-08  E  o# &polygonum tenue       Cayophyllales *3P=  polygonaceae j    1469678 |5%d   tenue YPQ8+ 
{"catalogNumber": "1469678", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Polygonum tenue", "scientificNameAuthorship": "", "genus": "Polygonum", "subgenus": "", "specificEpithet": "tenue", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Nathan W. Easterly", "recordNumber": "", "verbatimEventDate": "1980-08-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "41.86125", "decimalLongitude": "-83.66935", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}