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": ""}
charles NGau        U, United States     x@ typhina       eT- > MARK T. STRONG MARYLAND    MATTAWOMAN CREEK, BETWEEN CREEK & US GOVT RAILROAD, JUST W OF RASSMUSSENS SIDING, 2 MI S OF POMONKEY. t0 2q    VI]$  1391003  @ CAREX  Y,l 1626     Cyperaceae   
{"catalogNumber": "1391003", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "typhina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mark T. Strong", "recordNumber": "1626", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maryland", "county": "Charles", "municipality": "", "locality": "Mattawoman Creek, between creek & US Govt Railroad, just W of Rassmussens Siding, 2 mi S of Pomonkey.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}