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": ""}
   potamogeton tricarinatvs -  M. S. Clemens 6;!u   4t+ contact um herbarium POTAMOGETONACEAE <fd_a   M  australia     |&[0 tricarinatus  ?) QUEENSLAND   f.muell. & a.benGn. $S   3 >G 1944-11-18  F?e 44677 SOUTHERN DOWNS kxMn  Potamogeton !4Kol       1702308 -M$  ALISMATALES mY 
{"catalogNumber": "1702308", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton tricarinatus", "scientificNameAuthorship": "F.Muell. & A.Benn.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "tricarinatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. S. Clemens", "recordNumber": "44677", "verbatimEventDate": "1944-11-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Australia", "stateProvince": "Queensland", "county": "Southern Downs", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}