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": ""}
poales hj7Aa  1890-04-04     (Trin. & Rupr.) Pohl %bv)Y   7C!c poaceae   M#m S.N. NASSELLA LEUCOTRICHA -B   Fgsh! BRAZOS  leucotricha 6v~m?   1418442 RM =c      h. s. jennings     nP8r College  nassella !       TEXAS 2 8;D   
{"catalogNumber": "1418442", "order": "Poales", "family": "Poaceae", "scientificName": "Nassella leucotricha", "scientificNameAuthorship": "(Trin. & Rupr.) Pohl", "genus": "Nassella", "subgenus": "", "specificEpithet": "leucotricha", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. S. Jennings", "recordNumber": "s.n.", "verbatimEventDate": "1890-04-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Texas", "county": "Brazos", "municipality": "", "locality": "College", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}