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": ""}
  un1 United States  T. 13S, R. 2W, NW1/4 SW1/4 SECT. 4  1bdS     . union   l AMERICANA  svs DIARRHEN4 1427610 %U    x P. BEAUV. DIARRHNA AMERICANA  DVlD  ILLINOIS j    LOY R. PHILLIPPE, ERIC ULASEK & PHILIP E. PHILLIPPE L          eQ 1991-06-06 Poaceae vM  
{"catalogNumber": "1427610", "order": "", "family": "Poaceae", "scientificName": "Diarrhena americana", "scientificNameAuthorship": "P. Beauv.", "genus": "Diarrhena", "subgenus": "", "specificEpithet": "americana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Loy R. Phillippe, Eric Ulaszek & Philip E. Phillippe", "recordNumber": "", "verbatimEventDate": "1991-06-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "Union", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "T. 13S, R. 2W, NW1/4 SW1/4 Sect. 4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}