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": ""}
     UatNQ Polygonaceae polygonum aviculare subsp. aviculare Im Yz  4900 7 z   ONTARIO q  aviculare sT    8i 1439742  ANTON A. REZNICEK & SUSAM A. REZNICEK zac@   R SUB5P.  1 AVICULARE Contact UM Herbarium 9         l polygonum  r_S   caryophyllales  
{"catalogNumber": "1439742", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Polygonum aviculare subsp. aviculare", "scientificNameAuthorship": "", "genus": "Polygonum", "subgenus": "", "specificEpithet": "aviculare", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "aviculare", "identifiedBy": "", "recordedBy": "Anton A. Reznicek & Susan A. Reznicek", "recordNumber": "4900", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}