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": ""}
   B setaria  poales b!5?    K 1423942   s maryland  viridis nj    s. j. lombardo, d. r. windler ,AMk    Xg1F/ POACEAE  O* 197107-18   $Q (L.) P. BEAUV.       3620 h1    uKx CECIL
{"catalogNumber": "1423942", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(L.) P. Beauv.", "genus": "Setaria", "subgenus": "", "specificEpithet": "viridis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S. J. Lombardo, D. R. Windler", "recordNumber": "3620", "verbatimEventDate": "1971-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Maryland", "county": "Cecil", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}