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": ""}
Dichanthelium j      U4[ 1429561 VIRGINIA XMr  OACEAE Tj    h HARLEY HARRIS BARTLETT      United States .   dichanthelim implicatum <    @WB~< 1777 fairfax G&]t1   implicatum >   q (scribn.) kerg.   BOALES | @Ep    w great falls of the potomac, fairfay co., virginia  mV/u~ 1909-09-06
{"catalogNumber": "1429561", "order": "Poales", "family": "Poaceae", "scientificName": "Dichanthelium implicatum", "scientificNameAuthorship": "(Scribn.) Kerg.", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "implicatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Harley Harris Bartlett", "recordNumber": "1777", "verbatimEventDate": "1909-09-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "Fairfax", "municipality": "", "locality": "Great falls of the Potomac, Fairfay Co., Virginia", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}