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": ""}
 + GRAND EST   a s.n.  Bwj - vosges     SPARGANIUM  ]  TYPHACEAE dD-     XW  Contact UM Herbarium   W^ NATANS   i l.   z1 POALES  LAC DE RETOURNEMER 3v   1702034 l*T  SPARGANIUM NATANS tf%m.   Y?/zV lohr   hbser 1886-08-15 
{"catalogNumber": "1702034", "order": "Poales", "family": "Typhaceae", "scientificName": "Sparganium natans", "scientificNameAuthorship": "L.", "genus": "Sparganium", "subgenus": "", "specificEpithet": "natans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Lohr", "recordNumber": "s.n.", "verbatimEventDate": "1886-08-15", "habitat": "Lac de Retournemer", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Grand Est", "county": "Vosges", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}