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": ""}
 FK!7 1899-06-07    piptochaetium v  POACEAE u`m@   Z#   Piptochaetium avenaceum   1203 D    norfolk 3D     J[Y avenaceum   W?g GEORGE G. KENNEDY 1420709 a/n)    s  POALES     !NMm  MILTON MASSACHUSETTS <Q  (L.) PARODI i    ? United States
{"catalogNumber": "1420709", "order": "Poales", "family": "Poaceae", "scientificName": "Piptochaetium avenaceum", "scientificNameAuthorship": "(L.) Parodi", "genus": "Piptochaetium", "subgenus": "", "specificEpithet": "avenaceum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George G. Kennedy", "recordNumber": "1203", "verbatimEventDate": "1899-06-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Norfolk", "municipality": "", "locality": "Milton", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}