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": ""}
 Middlesex !oa   Poaceae .         1887-09-09 ot  S.N. g@   malden b.09  1426637 _.7/  F. S. COLLINS 3  (BOSC EX NEES) LEBLOND  x  RIGIDULA qa^c     United States tf8D&   $h3) coleataenHia  B$` Coleataenia rigidula  g  poales MASSACHUSETTS k 
{"catalogNumber": "1426637", "order": "Poales", "family": "Poaceae", "scientificName": "Coleataenia rigidula", "scientificNameAuthorship": "(Bosc ex Nees) LeBlond", "genus": "Coleataenia", "subgenus": "", "specificEpithet": "rigidula", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F. S. Collins", "recordNumber": "s.n.", "verbatimEventDate": "1887-09-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Middlesex", "municipality": "", "locality": "Malden", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}