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": ""}
   DJ AMBIGUUS  +BFi POALES   1897-10-14 X|!<    h% S. M. TRACY    united states ITtp4    :V 1425359   p @xW Poaceae      5<qH: CONTACT UM HERBARIUM   K@Hn TRIDENS AMBIGUUS    C1 TRIDENS  
{"catalogNumber": "1425359", "order": "Poales", "family": "Poaceae", "scientificName": "Tridens ambiguus", "scientificNameAuthorship": "", "genus": "Tridens", "subgenus": "", "specificEpithet": "ambiguus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S. M. Tracy", "recordNumber": "", "verbatimEventDate": "1897-10-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}