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 dB F   1428284 8  PECTINACEA T7  CAMBRIDGE i1O    A Unted States  massachusetts D<P<!    !8 &^ Eragrostis   510 G: `.     (MICHX.) NEES EX STEUD. LT     m. l. ferInald  Poales ds`   zo! POACEAE    1931-07-27 1 
{"catalogNumber": "1428284", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Michx.) Nees ex Steud.", "genus": "Eragrostis", "subgenus": "", "specificEpithet": "pectinacea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. L. Fernald", "recordNumber": "510", "verbatimEventDate": "1931-07-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Middlesex", "municipality": "", "locality": "Cambridge", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}