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": ""}
s.n. Ik*    O -83.687456  Hf]w Michigan Poales L   0   echinochloa crusgalli  crusgalli m$ 6    1924-08-23 1     J[c8 Flint, Echinochloa w MW       k2& edward g. voss -sister m. incent de paul mcgivn>ey yO:        NY poaceae   4 United States  _cb GENESEE 1247936 A j2 
{"catalogNumber": "1247936", "order": "Poales", "family": "Poaceae", "scientificName": "Echinochloa crusgalli", "scientificNameAuthorship": "", "genus": "Echinochloa", "subgenus": "", "specificEpithet": "crusgalli", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Sister M. Vincent de Paul McGivney", "recordNumber": "s.n.", "verbatimEventDate": "1924-08-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Genesee", "municipality": "", "locality": "Flint,", "decimalLatitude": "", "decimalLongitude": "-83.687456", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}