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": ""}
3243 f:M>  cyperaceae 1fKaD         MEGALANTUS P        1134559 6F5n     Q (k??k.) g.c.tucker  @h sanborn 1910-02-28    veracrvz 9 +   charles r. orcutt 4   
{"catalogNumber": "1134559", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "(K??k.) G.C.Tucker", "genus": "", "subgenus": "", "specificEpithet": "megalanthus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles R. Orcutt", "recordNumber": "3243", "verbatimEventDate": "1910-02-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Veracruz", "county": "", "municipality": "", "locality": "Sanborn", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}