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": ""}
  P y- 1918-09-15  <bG S.N.   3na EUPHORBIA NUTANS       42.28743  w      Wayne NX    nutans       -83.15312 >p   MICHIGAN Rf    
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Euphorbia nutans", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "nutans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1918-09-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Wayne", "municipality": "", "locality": "", "decimalLatitude": "42.28743", "decimalLongitude": "-83.15312", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}