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": ""}
   6858 =y  MIZORAM mqz_    vf lawngtlai   <o/ THAKU RUP CHAND india v=_b     Euphorbiaceae 6/   kB*@ 1505380  1953-02-16 RCu+k  Along river dkC   C q_ HOMONOIA  i Shaw Bush; 5 ft. 5%=S  Lour. f`e  305 WS/   riparia ]i#  Sangao [Sangau], Lushai Hills )p4j  
{"catalogNumber": "1505380", "order": "", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "Lour.", "genus": "Homonoia", "subgenus": "", "specificEpithet": "riparia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Shaw", "recordedBy": "Thakur Rup Chand", "recordNumber": "6858", "verbatimEventDate": "1953-02-16", "habitat": "Along river", "occurrenceRemarks": "Bush; 5 ft.", "associatedTaxa": "", "country": "India", "stateProvince": "Mizoram", "county": "Lawngtlai", "municipality": "", "locality": "Sangao [Sangau], Lushai Hills", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "305", "maximumElevationInMeters": ""}