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": ""}
    /J  chinensis  polygonaceae k    india :    h$th 1497542   mizoram ^2/ j   ` thakur rup chand  persicaria      = SERCHHIP   X tDjb PERSICARIA CHINENSIS   CARYOPHYLLALES  _A1  1953-O2-01 s]?  6768 Fa  914 W 4 
{"catalogNumber": "1497542", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria chinensis", "scientificNameAuthorship": "", "genus": "Persicaria", "subgenus": "", "specificEpithet": "chinensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "6768", "verbatimEventDate": "1953-02-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Mizoram", "county": "Serchhip", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "914", "maximumElevationInMeters": ""}