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": ""}
 $6nf  Stephen D. Koch y M. F. Denton    e.;+ PILOSA  El Zapote (El Zapotal); along hwy toW Tehuantepec, 6 mi N of Salina Cruz F*Y,  eragrostis  ? z     Poales !?RQ   Poaceae $/D       913 5x.   var. 6    eragrostis pilosa var. pilosa  V*P   u= BILOSA 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Eragrostis pilosa var. pilosa", "scientificNameAuthorship": "", "genus": "Eragrostis", "subgenus": "", "specificEpithet": "pilosa", "verbatimTaxonRank": "var.", "infraspecificEpithet": "pilosa", "identifiedBy": "Stephen D. Koch y M. F. Denton", "recordedBy": "", "recordNumber": "913", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "El Zapote (El Zapotal); along hwy to Tehuantepec, 6 mi N of Salina Cruz", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}