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": ""}
 E(2+ 20834  Contact UM Herbarium $    -W DENNIS E. BREEDLOVE & R. THORNE    ( SUBSP.   (j. presl) n. snow -I        LEPTOCHLOA    bBa@` UNINERVIA  e poaceae  1971-10-18 p@   1123654 l     *1 o@ fusca    
{"catalogNumber": "1123654", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(J. Presl) N. Snow", "genus": "Leptochloa", "subgenus": "", "specificEpithet": "fusca", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "uninervia", "identifiedBy": "", "recordedBy": "Dennis E. Breedlove & R. Thorne", "recordNumber": "20834", "verbatimEventDate": "1971-10-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}