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": ""}
GAHAR, PROVINCE OF BAKHTIARI n   ?v^ L.    I   1941-05    Iran &@A=     potentilla reptans g[   chahar mahaal and bakhtiari O<&    REPTANS =zVR      7~  1502219 17973A e=P   Rosales <4A0   1l)GF Rosaceae potentilla x    P|gno data Walter N. Koelz C 
{"catalogNumber": "1502219", "order": "Rosales", "family": "Rosaceae", "scientificName": "Potentilla reptans", "scientificNameAuthorship": "L.", "genus": "Potentilla", "subgenus": "", "specificEpithet": "reptans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "17973a", "verbatimEventDate": "1941-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Iran", "stateProvince": "Chahar Mahaal and Bakhtiari", "county": "no data", "municipality": "", "locality": "Gahar, Province of Bakhtiari", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}