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": ""}
CYPERUS Mb    Potomac flats. OE&   1897-10-01 Y      A.J. Pieters ^gOs:   s l.   K5X STRIGOSUS  Washingt0n, D.C. 8WhC      YT CYPERACEAE 1394504 2|   Poales (jM      
{"catalogNumber": "1394504", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "strigosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A.J. Pieters", "recordNumber": "", "verbatimEventDate": "1897-10-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Washington, D.C.", "county": "", "municipality": "", "locality": "Potomac flats.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}