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": ""}
    nigromarginta bD       1380507 <Ow4   4 mi n of barhamsville, along e side of route 33, 0.5 mi sw of its junction with route 273. -      xSv  -76.833056 robert f.c. naczi o      SCHWEIN.  bLW   POALES e    
{"catalogNumber": "1380507", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "Schwein.", "genus": "", "subgenus": "", "specificEpithet": "nigromarginata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert F.C. Naczi", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "4 mi N of Barhamsville, along E side of route 33, 0.5 mi SW of its junction with route 273.", "decimalLatitude": "", "decimalLongitude": "-76.833056", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}