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": ""}
 (^V ELEOCHARIS QUADRANGULATA      =C6 maryland   xnX| QUADRAN GULATA PRINCE GEORGE'S BA2   Poales ;+    5^  united states   (michx.) roem. & schult. Jy       ,~ 1398413    e  14191     :J!; BORDERING SNOWDON POND, PATUXENT WILDLIFE REFUGE, 4 MILES SE LAUREL.
{"catalogNumber": "1398413", "order": "Poales", "family": "", "scientificName": "Eleocharis quadrangulata", "scientificNameAuthorship": "(Michx.) Roem. & Schult.", "genus": "", "subgenus": "", "specificEpithet": "quadrangulata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "14191", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maryland", "county": "Prince George's", "municipality": "", "locality": "Bordering Snowdon Pond, Patuxent Wildlife Refuge, 4 miles SE Laurel.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}