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": ""}
    c 1702257 POTAMOGETON Y.  1995-09-24 7  URBAN DISTRICT 7Sq     sW BECTINATUS L. U[U9o   IC. contact um herbarium     IC5Ur alismatales  YD   S.N.  Td-tv M. Krusche   saxony z.u+   potamogetonaceae z~m   POTAMOGETON PECTINATUS 2 aQ.  GERMANY I  
{"catalogNumber": "1702257", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton pectinatus", "scientificNameAuthorship": "L.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "pectinatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. Krusche", "recordNumber": "s.n.", "verbatimEventDate": "1995-09-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Germany", "stateProvince": "Saxony", "county": "Urban District", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}