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": ""}
Z walter n. koelz  (Willd.) Briq. XAeN    a1 MENHA         osN Mentha long|folia var. incana   H 1933-07-30  OP incana kargil [9i   o LONGIFOLIA  i@6 1520963  LAMIACEAE WdY  Jammu and Kashmir wsf       
{"catalogNumber": "1520963", "order": "", "family": "Lamiaceae", "scientificName": "Mentha longifolia var. incana", "scientificNameAuthorship": "(Willd.) Briq.", "genus": "Mentha", "subgenus": "", "specificEpithet": "longifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "incana", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "1933-07-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Jammu and Kashmir", "county": "Kargil", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}