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": ""}
 a Steud.  `A` MERRTON B. WAITE    |=# poales     YF 1397401 cyperaceae |n      eleocharis engelmannii 4:@~T  ENGELMANNIVI m4  llinois g, 6z  United States ;L [!       kc URBANA.  CHAMPAIGN Af ]    
{"catalogNumber": "1397401", "order": "Poales", "family": "Cyperaceae", "scientificName": "Eleocharis engelmannii", "scientificNameAuthorship": "Steud.", "genus": "", "subgenus": "", "specificEpithet": "engelmannii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Merton B. Waite", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "Champaign", "municipality": "", "locality": "Urbana.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}