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": ""}
 r  Pourr.           D:5 Y POTAMOGETON POLYGONIFOLIUS    Potamogetonaceae /p T.      &I 50°2'N 5Â°10'W SW732198    CONTACT UM HERBARIUM n. N   *P 9P D. J. GOYDER, S. L. JURY, F. J. RUMSEY   QA/E ENGLAND 
{"catalogNumber": "", "order": "", "family": "Potamogetonaceae", "scientificName": "Potamogeton polygonifolius", "scientificNameAuthorship": "Pourr.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "D. J. Goyder, S. L. Jury, F. J. Rumsey", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "England", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "50\u00c2\u00b02'N 5\u00c2\u00b010'W SW732198", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}