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": ""}
 aK ~r MICHIGAN Asteracea3  -(F     VePI 42.114637    FRANK C. GATES /ptZ     8 9 [A 2ND SHEET DATED AUGUST 25 1906, OTHERWISE SAME DATA.] van buren Ro           u x[ 1217756    Gpb KEELER.    
{"catalogNumber": "1217756", "order": "", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frank C. Gates", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "[A 2nd sheet dated August 25 1906, otherwise same data.]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Van Buren", "municipality": "", "locality": "Keeler.", "decimalLatitude": "42.114637", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}