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": ""}
    NR . walter n. koelz garhwa road _,R1$  18846 `fAop    Oy$#L RUBIACEAE (ROXB.) KORTH.    1536419 j<   F <lq 1947-09-15  1&+o~ parvifolia Gentianales 9&j     no data uZ       mRJ MITRAGYNA Bihar q6      : india  Mitragyna parvifolia J1YD 
{"catalogNumber": "1536419", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "Mitragyna parvifolia", "scientificNameAuthorship": "(Roxb.) Korth.", "genus": "Mitragyna", "subgenus": "", "specificEpithet": "parvifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "18846", "verbatimEventDate": "1947-09-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Bihar", "county": "no data", "municipality": "", "locality": "Garhwa Road", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}