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": ""}
   ASTERALES DX  1249513 EtEb   AGERATINA Hc  cecil billington vOCt     3 `bl WARREN WOODS,    zRw / 41.834808  AGERATINA ALTISSIMA um       z -86.624924  RRGj (l.) r. m. king & h. rob. Berien W    _n_ UNITED STATES  D Michigan  1920-09-11 ezqJ$  
{"catalogNumber": "1249513", "order": "Asterales", "family": "", "scientificName": "Ageratina altissima", "scientificNameAuthorship": "(L.) R. M. King & H. Rob.", "genus": "Ageratina", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cecil Billington", "recordNumber": "", "verbatimEventDate": "1920-09-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Berrien", "municipality": "", "locality": "Warren Woods,", "decimalLatitude": "41.834808", "decimalLongitude": "-86.624924", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}