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": ""}
ARGOSTEMMA z l    BG rubiaceae  p8~ 1535963      1952-06-16 yk   J~l EAST KHASI HILLS     Au(; 1219   WALTER N. KOELZ <7? /a   _8l MEGHALAYA  5C! Gentianales  30284 @5vr  CLIFF IN FOREST Z    `Q6|  argostemma  
{"catalogNumber": "1535963", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "Argostemma", "scientificNameAuthorship": "", "genus": "Argostemma", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "30284", "verbatimEventDate": "1952-06-16", "habitat": "Cliff in forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1219", "maximumElevationInMeters": ""}