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": ""}
  S.N. 1v         ^l0 [Mature fruit surely not coll. April 23! EGV]   >%7a  42.270872 NN ARBOR Q     2 -83.726329        I WALTER 1860-04-23 k7Gu    |F3 Washtenaw  < caroliniana  E united states   E betulaceae  >_ FAGALES
{"catalogNumber": "", "order": "Fagales", "family": "Betulaceae", "scientificName": "", "scientificNameAuthorship": "Walter", "genus": "", "subgenus": "", "specificEpithet": "caroliniana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1860-04-23", "habitat": "", "occurrenceRemarks": "[Mature fruit surely not coll. April 23! EGV]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor", "decimalLatitude": "42.270872", "decimalLongitude": "-83.726329", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}