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": ""}
   @ h SUB-AQUATIC PLANT. IN WATER UP TO 3 FEET DEB MWANZA  EB   schweinfurthii 2/    # R. E. S. TANNER  ` 9 POTAMOGETON  ?O|-< CONTACT UM HERBARIUM Arth.Benn. >v  1650 c  1702306 n   ali5matales l   s- Ld Potamogetonaceae  % potamogeton schweinfurthii     Mwanza ;     Tanzania hv  
{"catalogNumber": "1702306", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton schweinfurthii", "scientificNameAuthorship": "Arth.Benn.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "schweinfurthii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. E. S. Tanner", "recordNumber": "1650", "verbatimEventDate": "", "habitat": "Sub-aquatic plant. In water up to 3 feet deep", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Tanzania", "stateProvince": "Mwanza", "county": "Mwanza", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}