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": ""}
   1991-09-14  PiU   (Gskr s.n.    JUGLANDACEAE xi    1004461 b=c]V    `+ UNITED STATES  -84.60202 hV)   %] LACINIOSA      [ Amboy Twp., Durbin Road, just N. of Ohio Border.   Michigan (H)x4    
{"catalogNumber": "1004461", "order": "", "family": "Juglandaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "laciniosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1991-09-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Amboy Twp., Durbin Road, just N. of Ohio Border.", "decimalLatitude": "", "decimalLongitude": "-84.60202", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}