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": ""}
   E.P. Sheldon Z      m c. barre hellquist  1892-08 1*O)  united states  $e!  Sagittaria e   battle lake 9S?      E. Sheld. C   OTTER TAIL Vtl      cuneata 1115690 m ]Q   N alismataceae  $.cy` Alismatales   
{"catalogNumber": "1115690", "order": "Alismatales", "family": "Alismataceae", "scientificName": "", "scientificNameAuthorship": "E. Sheld.", "genus": "Sagittaria", "subgenus": "", "specificEpithet": "cuneata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "C. Barre Hellquist", "recordedBy": "E.P. Sheldon", "recordNumber": "", "verbatimEventDate": "1892-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Otter Tail", "municipality": "", "locality": "Battle Lake", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}