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": ""}
 4?  1500418    Myristicaceae #z.Y   WALTER N. KOELZ UJZfq      angustifolia vZhT     MAGNOLIALES L0#     yBis (cROXB.) WARB.  -OO0n KNEMA ANGUSTIFOLIA  (_ east khasi hills 1952-06-30 e`   30405 ^  india XnP~   6#^4 cherrapunjee  
{"catalogNumber": "1500418", "order": "Magnoliales", "family": "Myristicaceae", "scientificName": "Knema angustifolia", "scientificNameAuthorship": "(Roxb.) Warb.", "genus": "", "subgenus": "", "specificEpithet": "angustifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "30405", "verbatimEventDate": "1952-06-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "", "county": "East Khasi Hills", "municipality": "", "locality": "Cherrapunjee", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}