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": ""}
1491737 CaK=  ASPARAGALES yUh<   convallaria majalis ev.W     1893-05-25 hoY.e   [SPECIMEN IN BOUND NATHAN J. STONE HERBARIUM, NO. 32] $Qc     U MAJALIS asparagaceae AJ.3    ) Anton A. Reznicek CALHOUN mo   L. 2L A]  CONVALLARIA =S   S.N. >A)w    QwW# michigan natban j. stone F[e  cultivated ; !.  no oata oprovided on label for c(atalog no: 1491737  ^K]M  United States qr_*   
{"catalogNumber": "1491737", "order": "Asparagales", "family": "Asparagaceae", "scientificName": "Convallaria majalis", "scientificNameAuthorship": "L.", "genus": "Convallaria", "subgenus": "", "specificEpithet": "majalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Nathan J. Stone", "recordNumber": "s.n.", "verbatimEventDate": "1893-05-25", "habitat": "Cultivated", "occurrenceRemarks": "[Specimen in bound Nathan J. Stone Herbarium, no. 32]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Calhoun", "municipality": "", "locality": "no data provided on label for catalog no: 1491737", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}