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": ""}
   =1mT 3347  PLUMMERS ISLAND, JUST SE OF THE A+MERICAN LEGION MEMORIAL BRIDGE (I-495) OVER THE POTOMAC RIVER, S OF LOCK 11 & 12 ON THE C&O CANAL. p e   qaOe v POALES   C=! J. CAREY Montgomery @    MARYLAND s q    i N CAREX GRAYI C4REX Ni@12    Cyperaceae )j9   T2y mark t. strong United States d@    XAA.R grayi     q  C/ 1372193  
{"catalogNumber": "1372193", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex grayi", "scientificNameAuthorship": "J. Carey", "genus": "Carex", "subgenus": "", "specificEpithet": "grayi", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mark T. Strong", "recordNumber": "3347", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maryland", "county": "Montgomery", "municipality": "", "locality": "Plummers Island, just SE of the American Legion Memorial Bridge (I-495) over the Potomac River, S of Lock 11 & 12 on the C&O Canal.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}