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": ""}
    1886-08-24  O    South Kingston. 0J Y$   P@U@: RHYNCHOSPORA MACROSTACHYA  F.H. Horsford 87t(   v7`Vk 1400591   H j 7955  POALES :#T-   MACROSTACHYA vN   Cyperaceae ,v-s  rhynchospora o     UNITED STATES QT   rt~6/ Torr. ex A. Gray  
{"catalogNumber": "1400591", "order": "Poales", "family": "Cyperaceae", "scientificName": "Rhynchospora macrostachya", "scientificNameAuthorship": "Torr. ex A. Gray", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "macrostachya", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F.H. Horsford", "recordNumber": "7955", "verbatimEventDate": "1886-08-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "South Kingston.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}