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": ""}
   near johnson C#E   nebraska ?Y;    FT Conium   I 9  1927-08-30       L. /u    r 3# 1431972 CONIUM MACULATUM n$DK:       Along railroad track  _>p   
{"catalogNumber": "1431972", "order": "", "family": "", "scientificName": "Conium maculatum", "scientificNameAuthorship": "L.", "genus": "Conium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1927-08-30", "habitat": "Along railroad track", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Nebraska", "county": "", "municipality": "", "locality": "Near Johnson", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}