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": ""}
concord  >i  1907-07-21 b=  POALES ,*    CYPERACEAE ma h  852 L    !~7:K united states   J. Presl & C. Presl Y  SCIRPUS uWUo  Harley H. Bartlett ro#;i  1402209 z       ConIcord River meadows b H  Massachusetts veO   dH MIDDLESEX    : Scirpus microca6rpus microcarpus e5   
{"catalogNumber": "1402209", "order": "Poales", "family": "Cyperaceae", "scientificName": "Scirpus microcarpus", "scientificNameAuthorship": "J. Presl & C. Presl", "genus": "Scirpus", "subgenus": "", "specificEpithet": "microcarpus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Harley H. Bartlett", "recordNumber": "852", "verbatimEventDate": "1907-07-21", "habitat": "Concord River meadows", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Middlesex", "municipality": "", "locality": "Concord", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}