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": ""}
  X+]K RUSSIA      4 Potamogeton npusillus var. tenuissimus   Potamogeton zL  SAVOIKO z<M8     <odmn S.N.  &  0 var. w. eyerdam    tenuissimus 9  Alismatales uUwL  Kamchatka  ~ X    F POTAMOGETONACEAE   (k no data  _~5,9 1702287   + #8 MERT. & KOCH    (K 1928-09-01 pusillus &8  
{"catalogNumber": "1702287", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton pusillus var. tenuissimus", "scientificNameAuthorship": "Mert. & Koch", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "pusillus", "verbatimTaxonRank": "var.", "infraspecificEpithet": "tenuissimus", "identifiedBy": "", "recordedBy": "W. Eyerdam", "recordNumber": "s.n.", "verbatimEventDate": "1928-09-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Russia", "stateProvince": "Kamchatka", "county": "no data", "municipality": "", "locality": "Savoiko", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}