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": ""}
 J< 1702276   x J1287    /pL potamogetonaceae  Potamogeton polygonifolius U$:te    zO& alismatales  contact um herbarium b4Rz     Cornwall  ff D. J. Goyder, S. L. Jury, F. J. Rumsey      United Kingdom  <`   -0& POTAMOGETON In shallower parts of pond |  polygonifolius         
{"catalogNumber": "1702276", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton polygonifolius", "scientificNameAuthorship": "", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "polygonifolius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "D. J. Goyder, S. L. Jury, F. J. Rumsey", "recordNumber": "J1287", "verbatimEventDate": "", "habitat": "In shallower parts of pond", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United Kingdom", "stateProvince": "", "county": "Cornwall", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}