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": ""}
  n~ Thakur Rup Chand    u;< 1497874  k&$ (mart.) griseb. Caryophyllales !|4      7`mK ON CLIFF IN OPEN    b EAST KHASI HILLS  W aGmaranthaceae meghalaya  n H/      ^ 1829 ALTERNANTHERA 9b]`    c)j  1954-09-13 philoxeroides 1.FY  Shillong =8   B india ALTERNANTHERA PHILOXEROIDES 1  8174 _: 
{"catalogNumber": "1497874", "order": "Caryophyllales", "family": "Amaranthaceae", "scientificName": "Alternanthera philoxeroides", "scientificNameAuthorship": "(Mart.) Griseb.", "genus": "Alternanthera", "subgenus": "", "specificEpithet": "philoxeroides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "8174", "verbatimEventDate": "1954-09-13", "habitat": "On cliff in open", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Shillong", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1829", "maximumElevationInMeters": ""}