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": ""}
Polygonum artkicu latum e`S-  45Â° 31' N, 78Â° 43' W xF [c   P ARTICULATUM    [  POLYGONUM   hc2G 45.516667   POLYGONACEAE  CbM&   6V> -78.716667 0NTARIO YG     NIPISSING 0    7J CONTACT UM HERBARIUM        Q2 Caryophyllales 
{"catalogNumber": "", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Polygonum articulatum", "scientificNameAuthorship": "", "genus": "Polygonum", "subgenus": "", "specificEpithet": "articulatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Nipissing", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "45.516667", "decimalLongitude": "-78.716667", "verbatimCoordinates": "45\u00c2\u00b0 31' N, 78\u00c2\u00b0 43' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}