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": ""}
 %M3 BENJAMIN L. ROBINSON & MERAITT L. FERNALD s.n. V*) Z  1901-08-15 & N    AROOSTOOK 5gw    bu ?K !BRACHYCEPHALUS  (ENGELM.) BUCHENAU   ]]q    F Wet sandy margin of river   UNITED STATES )!z        1ox juncus      
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "(Engelm.) Buchenau", "genus": "Juncus", "subgenus": "", "specificEpithet": "brachycephalus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Benjamin L. Robinson & Merritt L. Fernald", "recordNumber": "s.n.", "verbatimEventDate": "1901-08-15", "habitat": "Wet sandy margin of river", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Aroostook", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}