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 6N!   2 SPECIOSA    u Anton A. Reznicek "AHEAD" OF S. JUNCEA IN THIS AREA. 1JV;      L?z6z cheboygan   v 1513847    HM( MICHIGAN    0 UNITED STATES ASTERACEAE ~Wi   Em Solidago   H 03:11 NUTT. XX    asterales Yrh=   
{"catalogNumber": "1513847", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "Nutt.", "genus": "Solidago", "subgenus": "", "specificEpithet": "speciosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Robert E. Preston", "recordNumber": "03:11", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "\"Ahead\" of S. juncea in this area.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}