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": ""}
 i@ RENSSELAER  6tQs. Potamogetonacea      k>kQ 1480190   anton a. reznicek I%`I       42.7283 r Vf   ZOSTERIFORMIS V_o=    ;w7 potamogeton zosteriformis   8cr troy, river hudson [coo5rinates are for the river shore a7 the 19th st. bridcge.]   % new york  1829-08 Xkh   
{"catalogNumber": "1480190", "order": "", "family": "Potamogetonaceae", "scientificName": "Potamogeton zosteriformis", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "zosteriformis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1829-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "New York", "county": "Rensselaer", "municipality": "", "locality": "Troy, River Hudson [Coordinates are for the River shore at the 19th St. bridge.]", "decimalLatitude": "42.7283", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}