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": ""}
NOVA SCOTIA G61   ~~ canada    caryophyllales v~     <U :  PERSICARIA    PERSICARIA MACUOSA o    2RH74 Polygonaceae S. F. Gray g_V7C  1439147 92 W%    7`XQA Michael J. Oldham  V q QUEENS  20577 J22   i`gx CONTACT UM HERBARIUM     M~!1R maculosa
{"catalogNumber": "1439147", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria maculosa", "scientificNameAuthorship": "S. F. Gray", "genus": "Persicaria", "subgenus": "", "specificEpithet": "maculosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "20577", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Nova Scotia", "county": "Queens", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}