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": ""}
     rk q Polygonaceae    607 7    3 R Walter N. Koelz   k Sisu, Lahoul PERSICARIA AMPHIBIA  x      I amphibia   g 3048      persicaria  (l.) delarbre 8|u>   ll] 1930-07-23  by8c EDGE OF A POND 1497493     m` CARYOPHYLLALES  O himachal pradesh india ?7 
{"catalogNumber": "1497493", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria amphibia", "scientificNameAuthorship": "(L.) Delarbre", "genus": "Persicaria", "subgenus": "", "specificEpithet": "amphibia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "607", "verbatimEventDate": "1930-07-23", "habitat": "Edge of a pond", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Himachal Pradesh", "county": "", "municipality": "", "locality": "Sisu, Lahoul", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "3048", "maximumElevationInMeters": ""}