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": ""}
           ! Aristida ichx. | tTV  1984-09-16 +  41.9125 x    1309273 K       POALES twLD   R4E, T6S, S32, sw1/4 of nw1/4 =b   MICHIGAN AbPK   OLIGANTHA I66u   EfRh Robert W. Smith
{"catalogNumber": "1309273", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "Michx.", "genus": "Aristida", "subgenus": "", "specificEpithet": "oligantha", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "", "verbatimEventDate": "1984-09-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "R4E, T6S, S32, sw1/4 of nw1/4", "decimalLatitude": "41.9125", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}