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": ""}
 Tn Bm 29939  *_ canadense MICHAEL J. OLD0HAM ZCm_(   :]eM1 canada  FJDDU ELGIN ontario $.7&    1283148 0c     n 2004-04-30   -81.5815 N    UP>*  42.53494 hyrophyllaceae +  rich woods at top of ravine, with hydrophyllum virginianum zD     D| anton a. reznicek boraginales  m?b   ^ hydrophyllum  tv west of Eagle, above Lake Erie bluff L. U]4   P,< hydrophyllum ganadense
{"catalogNumber": "1283148", "order": "Boraginales", "family": "Hydrophyllaceae", "scientificName": "Hydrophyllum canadense", "scientificNameAuthorship": "L.", "genus": "Hydrophyllum", "subgenus": "", "specificEpithet": "canadense", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Michael J. Oldham", "recordNumber": "29939", "verbatimEventDate": "2004-04-30", "habitat": "rich woods at top of ravine, with Hydrophyllum virginianum", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Elgin", "municipality": "", "locality": "west of Eagle, above Lake Erie bluff", "decimalLatitude": "42.53494", "decimalLongitude": "-81.58185", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}