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": ""}
       7rK< 1643768    ACAULE P8t*,  Pennsylvania 4<v   H/ C7 SMITH MT  Q CYPRIPEIUM ACAULE  8 asparagales    .  S.N. ) `s. orchidaceae  1873-08 ?   T< Aiton   Mary H.Clark XnRP   
{"catalogNumber": "1643768", "order": "Asparagales", "family": "Orchidaceae", "scientificName": "Cypripedium acaule", "scientificNameAuthorship": "Aiton", "genus": "", "subgenus": "", "specificEpithet": "acaule", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mary H. Clark", "recordNumber": "s.n.", "verbatimEventDate": "1873-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Pennsylvania", "county": "", "municipality": "", "locality": "Smith Mt", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}