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": ""}
 convolvulus v     EtG 17718    hsB LORESTAN   pXc Convolvulaceae   ^+k  lineatus       dYk 141-05-23  4FhNB Walter N. Koelz dorud v   IRAN  :`   solanales >B6   %  In meadow    . Dorud, Province of Luristan 
{"catalogNumber": "", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Convolvulus", "subgenus": "", "specificEpithet": "lineatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "17718", "verbatimEventDate": "1941-05-23", "habitat": "In meadow", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Iran", "stateProvince": "Lorestan", "county": "Dorud", "municipality": "", "locality": "Dorud, Province of Luristan", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}