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": ""}
    1838-09-21 hv*&    ERAGROSTIS VISCO5A k)   VISCOSA i        G.H.W. SCHIMPER U<     ERAGROSTIS ;     aoJR 1210477  poaceae 4Bg   Solo rupestri sicco Wc<24 
{"catalogNumber": "1210477", "order": "", "family": "Poaceae", "scientificName": "Eragrostis viscosa", "scientificNameAuthorship": "", "genus": "Eragrostis", "subgenus": "", "specificEpithet": "viscosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "G.H.W. Schimper", "recordNumber": "", "verbatimEventDate": "1838-09-21", "habitat": "Solo rupestri sicco", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}