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": ""}
 ON STONE WALL 0IN OPEN V  perfoliata (kns  THAKUR RUP CHAND sT iQ    EASTKHASI HILLS  r    p[m 1829    1521887 t hE  Caryophyllales G?   DW2 3 (l.) h. gross India o?E  polygonaceae 2Ij    PERSICARIA PERFOLIATA     SHILLONG tI I   .HYW 1954-09-09  6!3t* 8147   PERSICARIA v>kQP   A ,> meghalaya
{"catalogNumber": "1521887", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria perfoliata", "scientificNameAuthorship": "(L.) H. Gross", "genus": "Persicaria", "subgenus": "", "specificEpithet": "perfoliata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "8147", "verbatimEventDate": "1954-09-09", "habitat": "On stone wall in open", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Shillong", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1829", "maximumElevationInMeters": ""}