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": ""}
 1877-06 *#KB  cyperaceae Pd    medford MM     POALES Q  |    f carex 1428286 bW=!    ou,: VACILLANS  MASSACHUSETTS X2pS   THOMAS MORONG w     5TfiH s.n.  Q$?Y SALT MARSH. MIDDLESEX =g9    Drejer ex Hartm. ~ HR   ^a- 7 carex vacillans  4K United States
{"catalogNumber": "1428286", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex vacillans", "scientificNameAuthorship": "Drejer ex Hartm.", "genus": "Carex", "subgenus": "", "specificEpithet": "vacillans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thomas Morong", "recordNumber": "s.n.", "verbatimEventDate": "1877-06", "habitat": "", "occurrenceRemarks": "salt marsh.", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Middlesex", "municipality": "", "locality": "Medford", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}