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": ""}
  s$j 1422120 ESSEX +       "oxley poison sumac swamp," colchester s. twp., lots 47-48, front conc., utm ca. 452520, ca. 5 km se of harrow #4h    10448 @    Ud> a. a.G reznicek, g. e. waldron   ~ @4I POACEAE  ]=  pra7ensis  POA  KR   ,+of ONTARIO     #^ l.   X8 Canada   x4  1997-07-04 
{"catalogNumber": "1422120", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Poa", "subgenus": "", "specificEpithet": "pratensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. A. Reznicek, G. E. Waldron", "recordNumber": "10448", "verbatimEventDate": "1997-07-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Essex", "municipality": "", "locality": "\"Oxley Poison Sumac Swamp,\" Colchester S. Twp., lots 47-48, Front Conc., UTM ca. 452520, ca. 5 km SE of Harrow", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}