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": ""}
   u) oliver a. farwell  -87.885009 !Q  "SPIKELETS PURPLE 2.25-3MM]; JULY 24, 1929 [BLH] ;?SH2  gigantea W?   Ogb copper harbor paceae p.k /    %]g< agrostis gigantea    Y= poales   `g dry grounds [blh]    cS; 47.46833 KEWEENAW G(j    U$K 1929-07-24  6kt 8497   P United States 1304872 oL <   + Michigan
{"catalogNumber": "1304872", "order": "Poales", "family": "Poaceae", "scientificName": "Agrostis gigantea", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "gigantea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "8497", "verbatimEventDate": "1929-07-24", "habitat": "dry grounds [BLH]", "occurrenceRemarks": "\"Spikelets purple 2.25-3mm]; July 24, 1929 [BLH]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "Copper Harbor", "decimalLatitude": "47.46833", "decimalLongitude": "-87.885009", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}