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": ""}
  RENSSELAER RD  1829-08 B< M    j Aqeratina new york  3  altissima    ageratina altissima F  -73.6857 0%  asterales gk<2l   6-M+U 1480453    yN:[| 4NTON A. REZNICEK   (L.) R. M. King & H. Rob.     Y N Douglass Houqhton 42.7245  fye?   TROY [COORDINATES ARE FOR PROSPECT PARK.] j$   United States A#  Asteraceae 70>`p   
{"catalogNumber": "1480453", "order": "Asterales", "family": "Asteraceae", "scientificName": "Ageratina altissima", "scientificNameAuthorship": "(L.) R. M. King & H. Rob.", "genus": "Ageratina", "subgenus": "", "specificEpithet": "altissima", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Douglass Houghton", "recordNumber": "", "verbatimEventDate": "1829-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "New York", "county": "Rensselaer", "municipality": "", "locality": "Troy [Coordinates are for Prospect Park.]", "decimalLatitude": "42.7245", "decimalLongitude": "-73.6857", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}