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": ""}
 m%9W_COLLIER FLORIDA j62    1408963 x    B CENCHRUS GRACILLIMUS POACEAE [  United States &;h&-     &po WILLIAM A. SILVEUS     gracillimus :?  1939-06-21 Kj W   p07 poales  5553 0  3D       Cenchrus j$r    wD  Contact UM Herbarium   G4 NASH
{"catalogNumber": "1408963", "order": "Poales", "family": "Poaceae", "scientificName": "Cenchrus gracillimus", "scientificNameAuthorship": "Nash", "genus": "Cenchrus", "subgenus": "", "specificEpithet": "gracillimus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William A. Silveus", "recordNumber": "5553", "verbatimEventDate": "1939-06-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "Collier", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}