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": ""}
    ? contact um herbarium  4< POLYGONACEAE   >2K0 ACETOSELLA  =: Caryophyllaleis   1444303 9yS   qEkh. ontario   CARL O. GRA2SSL pt    !  CANADA algoma 9D:5   2W@ L.  1931-07-20 g   1284 g`9   rumex Fo6G     Rumx acetosella C 
{"catalogNumber": "1444303", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Rumex acetosella", "scientificNameAuthorship": "L.", "genus": "Rumex", "subgenus": "", "specificEpithet": "acetosella", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "1284", "verbatimEventDate": "1931-07-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Algoma", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}