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": ""}
 1851-07-25 vb  astEeraceae r(y   patens ]*fg:   var. os  ASERALES  4   ! FREEHOLD  % 8iQ UNITED STATES  qm-!m SYMPHYOTRICHUM 2o.r. willis ]~?5b    l 1539629 new jersey 9 Y    6?MH atens   59j SYMPHYOTRICHUM PATENS VAR. PATENS    Y   monmouth   lr a s.n.   
{"catalogNumber": "1539629", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum patens var. patens", "scientificNameAuthorship": "", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "patens", "verbatimTaxonRank": "var.", "infraspecificEpithet": "patens", "identifiedBy": "", "recordedBy": "O.R. Willis", "recordNumber": "s.n.", "verbatimEventDate": "1851-07-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "New Jersey", "county": "Monmouth", "municipality": "", "locality": "Freehold", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}