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. 4  anton a. reznicek C$     h|  42.3227   sylvia  m. taylor t   |Y5 SEROTINA NEXT TO QUERCUS RUBRA. eLmq#    Q1<o 1970-06--15   Micehigan r  United States b   -83.6697 XE   n.&D Prunus serotina  G0  prunus  H;pHk 1289670  < EHRH.  WASHTENAW ,= H    
{"catalogNumber": "1289670", "order": "", "family": "", "scientificName": "Prunus serotina", "scientificNameAuthorship": "Ehrh.", "genus": "Prunus", "subgenus": "", "specificEpithet": "serotina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Sylvia M. Taylor", "recordNumber": "s.n.", "verbatimEventDate": "1970-06-15", "habitat": "Next to Quercus rubra.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "42.3227", "decimalLongitude": "-83.6697", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}