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": ""}
 -86.273621  td?  1335823  z2    K@l americana  k 42.402916  MALVALES iZ     "common" ;7kfP    <C L george eville jones  michigan Rw1a   MALVACEAE ~~r      van buren uWkam   H`2 L.     NI$ 1910-07-20 tilia _= 
{"catalogNumber": "1335823", "order": "Malvales", "family": "Malvaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Tilia", "subgenus": "", "specificEpithet": "americana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "George Neville Jones", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1910-07-20", "habitat": "", "occurrenceRemarks": "\"Common\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Van Buren", "municipality": "", "locality": "", "decimalLatitude": "42.402916", "decimalLongitude": "-86.273621", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}