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": ""}
 1976-07-12   &     3936 b/UU4T   A& scirpus CANADA $v?Pp    48Â° 00' N 89Â° 39' W )634(    CYPERACEAE ;-nOA     a PIigeon River lowlands, close to Middle Falls (151A) 4N8 W    atrocinctus /   q  scirpus atrocinctus  john l. riley ll     s Ontario  1427873 L g~  
{"catalogNumber": "1427873", "order": "", "family": "Cyperaceae", "scientificName": "Scirpus atrocinctus", "scientificNameAuthorship": "", "genus": "Scirpus", "subgenus": "", "specificEpithet": "atrocinctus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John L. Riley", "recordNumber": "3936", "verbatimEventDate": "1976-07-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Pigeon River lowlands, close to Middle Falls (151A)", "decimalLatitude": "48", "decimalLongitude": "", "verbatimCoordinates": "48\u00c2\u00b0 00' N 89\u00c2\u00b0 39' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}