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": ""}
    Lej. %X. r    nu Alismatales      D s.n.   alismataceae 9g:4  contact um herbarium ~  GRAMINEUM ?+Pw   USSR 2eE  ILLEGIBLE 5t]b  1702403 3z#Y     ] ALISMA GRAMINEUM  % G alisma   NO DATA w 
{"catalogNumber": "1702403", "order": "Alismatales", "family": "Alismataceae", "scientificName": "Alisma gramineum", "scientificNameAuthorship": "Lej.", "genus": "Alisma", "subgenus": "", "specificEpithet": "gramineum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "illegible", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "USSR", "stateProvince": "no data", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}