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": ""}
 W|lliam A. Silveus 7    m  Pennsylvania   `V  POACEAE        &0 1939-07-27  Q)N)p united states RIVER BANK 13 MI. EAST OF BEDFORD H%  river bank o]     tWO  Bedford  IFj`% (Walter) Tuck. 1403871 Ig h     xci> 4743  agrostis pere,nnans 7]T0R   AGROSTIS <a 
{"catalogNumber": "1403871", "order": "", "family": "Poaceae", "scientificName": "Agrostis perennans", "scientificNameAuthorship": "(Walter) Tuck.", "genus": "Agrostis", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William A. Silveus", "recordNumber": "4743", "verbatimEventDate": "1939-07-27", "habitat": "river bank", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Pennsylvania", "county": "Bedford", "municipality": "", "locality": "River bank 13 mi. east of Bedford", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}