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": ""}
WASHTENAW w     UNITED STATES 3    EsfUH ATTHE SOUTH END OF CROOKED LAKE.   .Cy/ 42.315413   |D* W prunus  Michael R. Penskar oaM    PRUNUS PENSYLVANICA  7?A    19pRT L. F. |987-05-04 n   r  pensylvanica    michigan <k.  1468189 P. +     R VERY UNCOMMON, FOM SINGLE CLONE ON UPLAND EDGE ABOVE WETLAND, ASSOCIATED WITH UERCUS ELLIPSOIDALIS AND CARYA GLABRA. -84.122519 A(zu  
{"catalogNumber": "1468189", "order": "", "family": "", "scientificName": "Prunus pensylvanica", "scientificNameAuthorship": "L. f.", "genus": "Prunus", "subgenus": "", "specificEpithet": "pensylvanica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael R. Penskar", "recordNumber": "", "verbatimEventDate": "1987-05-04", "habitat": "Very uncommon, from single clone on upland edge above wetland, associated with Quercus ellipsoidalis and Carya glabra.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "At the south end of Crooked Lake.", "decimalLatitude": "42.315413", "decimalLongitude": "-84.122519", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}