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": ""}
  5B7Vp SIIRICUM   Michiga]n ;       uL1x robin w. scribailo, mitchelli s. alix  Tm48P Saxifragales  SgW8< -88.66667  P 6253     haloragaceae F3Mm     + keweenaw    1931-08-20 7y   c Myriophyllum 
{"catalogNumber": "", "order": "Saxifragales", "family": "Haloragaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Myriophyllum", "subgenus": "", "specificEpithet": "sibiricum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Robin W. Scribailo, Mitchell S. Alix", "recordedBy": "", "recordNumber": "6253", "verbatimEventDate": "1931-08-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-88.66667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}