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": ""}
   gv=%  a. a. reznicek    l. d     Canada     +` CONC. XX LOT 2 TINY TP.  xc@$! BEVER POND       ( 1972-06-26  &`n?t SIMCOE  rCxN 1663085   O lemna minor minor !ip  Ontario M b$  3194 .       
{"catalogNumber": "1663085", "order": "", "family": "", "scientificName": "Lemna minor", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "minor", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. A. Reznicek", "recordNumber": "3194", "verbatimEventDate": "1972-06-26", "habitat": "beaver pond", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "Conc. xx lot 2 Tiny tp.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}