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": ""}
   MICHIGAN y^   c  cS Betula John Merkle  Q    g  B! FAGALES  x  arenac papyrifera  Ro   D)k-a 70-291     United States Ui    jV ~ Betulaceae      x O Marshall 1350693 ?@(  1970-08-31 ]   Widely dist. & common on slopes below high ridge of Rifle Riv. Sand soil with birch-aspen-red ash. r 
{"catalogNumber": "1350693", "order": "Fagales", "family": "Betulaceae", "scientificName": "", "scientificNameAuthorship": "Marshall", "genus": "Betula", "subgenus": "", "specificEpithet": "papyrifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John Merkle", "recordNumber": "70-291", "verbatimEventDate": "1970-08-31", "habitat": "Widely dist. & common on slopes below high ridge of Rifle Riv. Sand soil with birch-aspen-red ash.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Arenac", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}