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": ""}
Poaceae ]l  ST. LOUIS s6   i |C s.n.   b; no data provided on label of cat4log no: 1424901    . 1424901   POALES 0  heterolepis DCk   Sporobolus i6:   6 henry eggert   H 1879-08-29     _  united states  Missouri .H   (A. Gray) A. Gray ] +   
{"catalogNumber": "1424901", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(A. Gray) A. Gray", "genus": "Sporobolus", "subgenus": "", "specificEpithet": "heterolepis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Henry Eggert", "recordNumber": "s.n.", "verbatimEventDate": "1879-08-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Missouri", "county": "St. Louis", "municipality": "", "locality": "no data provided on label of catalog no: 1424901", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}