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": ""}
    h4k ; Canada      I SIMCOE   1@ (meisn.) arcang. 4899 >J9   1439806 N_   Ontario ([    aviculare dLy#I    vKv4 polygonum aviculare subsp. depressum SUBSP. L     Caryophyllales ]x T[  anton a. reznicek & 5usan a. reznicek lT  
{"catalogNumber": "1439806", "order": "Caryophyllales", "family": "", "scientificName": "Polygonum aviculare subsp. depressum", "scientificNameAuthorship": "(Meisn.) Arcang.", "genus": "", "subgenus": "", "specificEpithet": "aviculare", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek & Susan A. Reznicek", "recordNumber": "4899", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}