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": ""}
x krotkovii BV      Ontario c (~e   +T:*) ASTERALES 1993-08-20 RDMo  1443762 D[8<0  solidago x krotkovii XlW    )xZ Anton A. Reznicek  b. boivin `B>7O    m[jl_ Asteraceae      W < Canada contact um herbarium bc &q   UH 9699    2i5  solidago  huron c$3rO 
{"catalogNumber": "1443762", "order": "Asterales", "family": "Asteraceae", "scientificName": "Solidago x krotkovii", "scientificNameAuthorship": "B. Boivin", "genus": "Solidago", "subgenus": "", "specificEpithet": "x krotkovii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "9699", "verbatimEventDate": "1993-08-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Huron", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}