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": ""}
   4W1 Eragrostis           : j.t. witherspoon   western slopes. grassy pasture sand pine-oak woods and salnuts at the edge of the streams. C    11+ el santuarã­o; sierra de tamaulipas at santa marã­a de los nogales        mexic mN  Eragrostis hirta 2T   Bn F-2081
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Eragrostis hirta", "scientificNameAuthorship": "", "genus": "Eragrostis", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J.T. Witherspoon", "recordedBy": "", "recordNumber": "F-2081", "verbatimEventDate": "", "habitat": "Western slopes. Grassy pasture sand pine-oak woods and salnuts at the edge of the streams.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "El Santuar\u00c3\u00ado; Sierra de Tamaulipas at Santa Mar\u00c3\u00ada de los Nogales", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}