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 Sr 1919-05-25   RV R Grossulariaceae    B United States  C# 1465440  5L^-t washtenaw   ^2Mz Saxifragales  a(q+ RIBES  G3b -83.62111   NAAS nathan a. harvey    6S americanum  /& road.   $ MICHIGAN s.n. e~PN    Ribes americanum o7 
{"catalogNumber": "1465440", "order": "Saxifragales", "family": "Grossulariaceae", "scientificName": "Ribes americanum", "scientificNameAuthorship": "", "genus": "Ribes", "subgenus": "", "specificEpithet": "americanum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Nathan A. Harvey", "recordNumber": "s.n.", "verbatimEventDate": "1919-05-25", "habitat": "Road.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-83.62111", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}