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": ""}
 +  -83.6697  d next to uercus rubra. s.n. ]1.    r:;c 1970-06-15  < W SylviaM. Taylor Prunus Z   KncZ anton a. reznicek [approx. coordinates are for 15 m e of the main entrance] cC6s  Washtenaw .`X   MICHIGAN  [@jx   9dJ  SEROTINA  @+ ROSALES horner woods, next to path about |5 m east of main entrance. w#$  prunus serotina  6   s+ ~ united states         kEv>K ROSACEA3  42.3227 RV9=  Ehrh.   
{"catalogNumber": "", "order": "Rosales", "family": "Rosaceae", "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": "[Approx. coordinates are for 15 m E of the main entrance]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Horner Woods, next to path about 15 m east of main entrance.", "decimalLatitude": "42.3227", "decimalLongitude": "-83.6697", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}