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": ""}
 /R2 CELASTRACEAE   BENT.    LAIKUL | CB   on forest floorgYMr  ASSAM WRu   1505973 !I    hindsii  e     a11fn walter n. koelz  2_ _+ C3lastrus hindsii  75 QK india   NG v 121       &Y 1951-04-30 CELASTRALES m H&  
{"catalogNumber": "1505973", "order": "Celastrales", "family": "Celastraceae", "scientificName": "Celastrus hindsii", "scientificNameAuthorship": "Benth.", "genus": "", "subgenus": "", "specificEpithet": "hindsii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "1951-04-30", "habitat": "On forest floor", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Assam", "county": "", "municipality": "", "locality": "Laikul", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1219", "maximumElevationInMeters": ""}