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": ""}
     jv NORTHEAST SHORE OF MASSACRE BAY, ATTU ISLAND   P Poa macrocalyx   lBaNe 194909-01    1 O trautv. & c.a. mey.  1421819 #=iOP      alaska R%g:c   MACROCALYX 0   united states CkW      
{"catalogNumber": "1421819", "order": "", "family": "", "scientificName": "Poa macrocalyx", "scientificNameAuthorship": "Trautv. & C.A. Mey.", "genus": "", "subgenus": "", "specificEpithet": "macrocalyx", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1949-09-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "", "municipality": "", "locality": "Northeast shore of Massacre Bay, Attu Island", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}