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": ""}
1883-06-04 _%r   We 47.375725  Betula Mb;;7      Z; united states   -88.306608 bE ER     .Y Betulaceae      f.e. wood jbY.u    clifton. r      
{"catalogNumber": "", "order": "", "family": "Betulaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Betula", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F.E. Wood", "recordNumber": "", "verbatimEventDate": "1883-06-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Clifton.", "decimalLatitude": "47.375725", "decimalLongitude": "-88.306608", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}