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": ""}
 43.157146, -81.811844  $S     ! BU  magnoliales  liriodendron r&z    ,d wooded slopes above e bank of au5auble river, ca. 3.8 km se of thedford  N 12403  few scattered tall, largetrees in one spot only; fruiting branch on the ground, presumable broken from a storm VT~K   2016-04-2#1  #   SO+ liriodendron tulipifera    tuliifera G  ONTARIO z  43.15715 aEN   47 canada    w -81.81184   1558388 F2# . 
{"catalogNumber": "1558388", "order": "Magnoliales", "family": "", "scientificName": "Liriodendron tulipifera", "scientificNameAuthorship": "", "genus": "Liriodendron", "subgenus": "", "specificEpithet": "tulipifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "12403", "verbatimEventDate": "2016-04-21", "habitat": "", "occurrenceRemarks": "Few scattered tall, large trees in one spot only; fruiting branch on the ground, presumable broken from a storm", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Wooded slopes above E bank of Ausauble River, ca. 3.8 km SE of Thedford", "decimalLatitude": "43.15715", "decimalLongitude": "-81.81184", "verbatimCoordinates": "43.157146, -81.811844", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}