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": ""}
  i*< 18682  C= MUHAMMADGANJ, BIHAR PROVINCE     x - 4 EIELD EDGE   echinops echinatus 4M      > Asteraceae india tjfX      %# WALTER N. KOELZ Jharkhand Js   echinops  vAh     ` Innk  ASTEnRALES     0 _ 1947-09-01  x prd 1538438
{"catalogNumber": "1538438", "order": "Asterales", "family": "Asteraceae", "scientificName": "Echinops echinatus", "scientificNameAuthorship": "", "genus": "Echinops", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "18682", "verbatimEventDate": "1947-09-01", "habitat": "Field edge", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Jharkhand", "county": "", "municipality": "", "locality": "Muhammadganj, Bihar Province", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}