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": ""}
  F.H. Sargent o 8     ,C 1409727  /$qv poaceae  f 1966-09-27    2 DACTYLOCTENIUM AEGPTIUM      `;%3W AEGYPTIUM CONTACT UM cHERBARIUM $Lzg  8932 W+S   United States u7   x MISSISSIPPI  ~ poales   _  DACTYLOCTENIUM PEARL RIVER +   (l.) willd. t  
{"catalogNumber": "1409727", "order": "Poales", "family": "Poaceae", "scientificName": "Dactyloctenium aegyptium", "scientificNameAuthorship": "(L.) Willd.", "genus": "Dactyloctenium", "subgenus": "", "specificEpithet": "aegyptium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F.H. Sargent", "recordNumber": "8932", "verbatimEventDate": "1966-09-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Mississippi", "county": "Pearl River", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}