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": ""}
   PIPTOCHAETIUM #%d     V^N  4.9 mi sw on us 71 from its jct. with us 270, sw of y city   @d)L 6806 scott Ajg7    25eD avenaceum    1420688 N   &m d United States     piptochaetium avenaceum fk6      
{"catalogNumber": "1420688", "order": "", "family": "", "scientificName": "Piptochaetium avenaceum", "scientificNameAuthorship": "", "genus": "Piptochaetium", "subgenus": "", "specificEpithet": "avenaceum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "6806", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Scott", "municipality": "", "locality": "4.9 mi SW on US 71 from its jct. with US 270, SW of Y City", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}