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": ""}
 %NS HETERANTHERA DUBIA   Rensselaer G Q    ; Pontederiaceae  NEAR TROY, RIVER HUDSON [COORDINATES ARE FOR THE RIVER SHORE AT gTHE 19TH ST. BRIDGE.] p    TL00 1829-07    q -73.6959  -7c anton a. reznicek    YJz@Q (jacq.) macmill.   42.7283 W47+   Heteranthera AxsC  DOUGLASS HOUGHTON *l%@H   )*zn 1480201   Xgf COMMELINALES   
{"catalogNumber": "1480201", "order": "Commelinales", "family": "Pontederiaceae", "scientificName": "Heteranthera dubia", "scientificNameAuthorship": "(Jacq.) MacMill.", "genus": "Heteranthera", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Douglass Houghton", "recordNumber": "", "verbatimEventDate": "1829-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Rensselaer", "municipality": "", "locality": "Near Troy, River Hudson [Coordinates are for the River shore at the 19th St. bridge.]", "decimalLatitude": "42.7283", "decimalLongitude": "-73.6959", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}