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": ""}
 70-57 Ek   R|1m John Merkle fagales Y     upland sandy loam.  Wk nigra   JUGLANS NIGRA    junct. jenninqs & realfred rds. along us-23 in sw part of county. ^XVgX  1970-07-07 P   L. W?   1349227 7   MICHIGAN W+    uY Juglans   United States Owq1  Genesee See*V  "Light colored pith." Q%     
{"catalogNumber": "1349227", "order": "Fagales", "family": "", "scientificName": "Juglans nigra", "scientificNameAuthorship": "L.", "genus": "Juglans", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John Merkle", "recordNumber": "70-57", "verbatimEventDate": "1970-07-07", "habitat": "Upland sandy loam.", "occurrenceRemarks": "\"Light colored pith.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Genesee", "municipality": "", "locality": "Junct. Jennings & Realfred Rds. Along US-23 in SW part of county.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}