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": ""}
   under large trees @<C9     (kunth) dandy  =S       1927-05 >DU6     D R ottochloa ANNAM, INDO-CHINA, MT. BANI x    NODOSA E-|.^     O OTTO7CHLO4 NODOSA 3727 dJ   no data WLX     vietnam
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Ottochloa nodosa", "scientificNameAuthorship": "(Kunth) Dandy", "genus": "Ottochloa", "subgenus": "", "specificEpithet": "nodosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "3727", "verbatimEventDate": "1927-05", "habitat": "Under large trees", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Vietnam", "stateProvince": "no data", "county": "", "municipality": "", "locality": "Annam, Indo-China, Mt. Bani", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}