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": ""}
 JOHN H. HLERS @   6 united states michigan /pkl   C 314821  AT:x palustris  [ 45.74513   M+c% calitriche   % EMMET        3  near cecil bay   L. d)?  PLANTAG|NACEAE h:W2K   1920-07-24 K[  wet woods 7VX   [) 1047 
{"catalogNumber": "1314821", "order": "", "family": "Plantaginaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Callitriche", "subgenus": "", "specificEpithet": "palustris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "1047", "verbatimEventDate": "1920-07-24", "habitat": "Wet woods", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Emmet", "municipality": "", "locality": "near Cecil Bay", "decimalLatitude": "45.74513", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}