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": ""}
 1989-06-18 jk =      AILANTHUS T   hC michigan  3 Peter W. Fritsch  ? AILANTHUS ALTISSIMA  W, HILLSDALE, W. SIDE OF PARK ON S. SIDE OF BACON ST., 0.1 MI. E. OF BROAD ST.  41.91986 >0=    United States U$00   SHM "PLANT 2 M TALL."  -84.62802 E*~n    L?2Z| 1071 Hillsdale S_Y|   OCCASIONAL IN RICH SOIL AT THE EDGE OF A CITY BARK. ?    >_ Simaroubaceae  SAPINDALES ut 
{"catalogNumber": "", "order": "Sapindales", "family": "Simaroubaceae", "scientificName": "Ailanthus altissima", "scientificNameAuthorship": "", "genus": "Ailanthus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Peter W. Fritsch", "recordNumber": "1071", "verbatimEventDate": "1989-06-18", "habitat": "Occasional in rich soil at the edge of a city park.", "occurrenceRemarks": "\"Plant 2 m tall.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Hillsdale", "municipality": "", "locality": "Hillsdale, W. side of park on S. side of Bacon St., 0.1 mi. E. of Broad St.", "decimalLatitude": "41.91986", "decimalLongitude": "-84.62802", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}