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": ""}
eleocharis VNclk  palustris       1930-07-29 IW  Keweenaw B        u.   UNITED STATES  %XQ 3470        SARGENT LAKE, ISLE ROYALE. A  48.095263 o _z    ELEOCHARIS PALUSTRIS 0[   tK -88.656107
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Eleocharis palustris", "scientificNameAuthorship": "", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "palustris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "3470", "verbatimEventDate": "1930-07-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Keweenaw", "municipality": "", "locality": "Sargent Lake, Isle Royale.", "decimalLatitude": "48.095263", "decimalLongitude": "-88.656107", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}