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": ""}
46Â° 20' N 74Â° 30' W @0  1954-06-16 !+7                        |Mv Po0rtage de Lac Mallard. Parc du Mont Tremblant, comtÃ© de Montcalm, canGton Rolland.     
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1954-06-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Portage de Lac Mallard. Parc du Mont Tremblant, comt\u00c3\u00a9 de Montcalm, canton Rolland.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "46\u00c2\u00b0 20' N 74\u00c2\u00b0 30' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}