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": ""}
 U seorsa    ( Carex   U M ( mark t. strong Howe S%G    1386663 Isr  1864 U7$      L DRAINAGE OF UNNAMED SYSTEM DRAINING INTO MATTAWOMAN CREEK, 0.50.7 MI SW OF MILLARDS MILL (MD RT 225) & 0.7-0.9 MI S OF MASON SPRINGS (JCT. MD RTS 224 & 225).      BL 1999-05-16   (p:~  CHARLES CAREX SEORSA P1$  MARYLAND :ea   G   United States   CYPERACEAE 5Fi0   )0rRj poales
{"catalogNumber": "1386663", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex seorsa", "scientificNameAuthorship": "Howe", "genus": "Carex", "subgenus": "", "specificEpithet": "seorsa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mark T. Strong", "recordNumber": "1864", "verbatimEventDate": "1999-05-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maryland", "county": "Charles", "municipality": "", "locality": "Drainage of unnamed system draining into Mattawoman Creek, 0.5-0.7 mi SW of Millards Mill (MD Rt 225) & 0.7-0.9 mi S of Mason Springs (jct. MD Rts 224 & 225).", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}