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": ""}
var. 7   5m~ nelsonii POACEAE `s      d 8734 Eriochloa nelsonii var. nelsonii y5cJ     R.B. SHAW X   *5I 1911-11-01 Eriochloa hM/   o8&,m 1121884     Y contact um herbarium  nicaragua qV[#z  Poales g    eJOg  albert s. hitchcock    nelsonii  G  
{"catalogNumber": "1121884", "order": "Poales", "family": "Poaceae", "scientificName": "Eriochloa nelsonii var. nelsonii", "scientificNameAuthorship": "", "genus": "Eriochloa", "subgenus": "", "specificEpithet": "nelsonii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "nelsonii", "identifiedBy": "R.B. Shaw", "recordedBy": "Albert S. Hitchcock", "recordNumber": "8734", "verbatimEventDate": "1911-11-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Nicaragua", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}