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": ""}
 5v 1439651  6YmR? Contact UM Herbarium    O2 polygonaceae  9393 ysm<    t/ POLYGONUM  Y a. hayden  Lyon  7    iowa *oD   fACHOREUM N%k  caryophyllales +    zN s. f. blake        6= POLYGVONUM ACHOREUM  3 United States 
{"catalogNumber": "1439651", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Polygonum achoreum", "scientificNameAuthorship": "S. F. Blake", "genus": "Polygonum", "subgenus": "", "specificEpithet": "achoreum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. Hayden", "recordNumber": "9393", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Iowa", "county": "Lyon", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}