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": ""}
1990-05-15     e9 CAREX SEORSA   united states Ns     sH 1386681 2250 qi  cyperaceae Wff   ND S & W of the Padanarum Hemlock Swamp, 1/3 mi N of E end of T272, Richmond Twp, Leon Quad.  8>5 ASHTABULA       $SrGw OHIO       Z Carex  seorsa  P~   james s. mccormac ?l 8 
{"catalogNumber": "1386681", "order": "", "family": "Cyperaceae", "scientificName": "Carex seorsa", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "seorsa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "James S. McCormac", "recordNumber": "2250", "verbatimEventDate": "1990-05-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Ohio", "county": "Ashtabula", "municipality": "", "locality": "S & W of the Padanarum Hemlock Swamp, 1/3 mi N of E end of T272, Richmond Twp, Leon Quad.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}