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": ""}
ROBERT E. PRESTON H ~6)    #Ir SYMPHYOTRICHUM LAEVE  J with a. laterifloris, a. sagitats, plantago  nqp+G laeve   w^Zh Mystry Valley Karst Preserve    wJ0.^ MICH$IGAN   (L.) Ã. LÃ¶VE & D. LÃ¶VE V;    SYMPHYOTRICHUM q   Asterales  Hz*   wQ6 1513841    o PRESQUE |SLE 2012-08-19  _lBm  Asteraceae ]   Y.2+[ UNITED STATES   i5!] anton a.reznicek   U s.n.
{"catalogNumber": "1513841", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum laeve", "scientificNameAuthorship": "(L.) \u00c3\u0081. L\u00c3\u00b6ve & D. L\u00c3\u00b6ve", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "laeve", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Robert E. Preston", "recordNumber": "s.n.", "verbatimEventDate": "2012-08-19", "habitat": "With A. laterifloris, A. sagitatus, Plantago", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Presque Isle", "municipality": "", "locality": "Mystery Valley Karst Preserve", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}