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": ""}
    n.N 1643914  F x 3 orchidaceae    EFmc! parviflorum    (WILLD.) O. W. KNIGHT A_iG     var. S kO9        6 cypripedium parviflor7um var. pubescens  Y4)DG michael baad   3O00 !<+L  
{"catalogNumber": "1643914", "order": "", "family": "Orchidaceae", "scientificName": "Cypripedium parviflorum var. pubescens", "scientificNameAuthorship": "(Willd.) O. W. Knight", "genus": "", "subgenus": "", "specificEpithet": "parviflorum", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael Baad", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "3000", "maximumElevationInMeters": ""}