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": ""}
  U secalinus  2 poaceae   +N%Iu 1921-05-26      M s< Poales        L. 6p1?      XWO  trenton -83.194052  o      bromus secalinus P.@YH 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus secalinus", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "secalinus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1921-05-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Trenton", "decimalLatitude": "", "decimalLongitude": "-83.194052", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}