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": ""}
1879-05-19 [Lh     Nb United States   brassicales O  Shelburne R 4B.   MAXIMA ] =    K  s.n. grpm 46886 8@+    h&Ur brassicaceae  c (nutt.) alph. wood 1501954 P p^  cardamine X     e CHITTEN8DEN     H Cardamine maxima    FRED H. HORSFORD +1  VEdRMONT b   
{"catalogNumber": "1501954", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Cardamine maxima", "scientificNameAuthorship": "(Nutt.) Alph. Wood", "genus": "Cardamine", "subgenus": "", "specificEpithet": "maxima", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Fred H. Horsford", "recordNumber": "s.n.", "verbatimEventDate": "1879-05-19", "habitat": "", "occurrenceRemarks": "GRPM 46886", "associatedTaxa": "", "country": "United States", "stateProvince": "Vermont", "county": "Chittenden", "municipality": "", "locality": "Shelburne", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}