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": ""}
 i3 1921-07-26   um  John H. Ehlers  1239126 W/   4qvs 45.601488   nL^mu Edward G. Voss POACEAE g&K$   [M poa7les   ambigua x%M83    2L BESSEY CREEK, DOUGLAS LKE UNITED STATES Pv1a  Muhlenbergia YK   f. N  164S3 ;   MICHIGAN G_Y  mexicana >   `I cy (TORR.) FERNALD  |[ MUHLENBERGIA MEXICAN4 F. AMBIGUA   MARSH zHc0  cheboygan T    ; 0[d -84.715792
{"catalogNumber": "1239126", "order": "Poales", "family": "Poaceae", "scientificName": "Muhlenbergia mexicana f. ambigua", "scientificNameAuthorship": "(Torr.) Fernald", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "mexicana", "verbatimTaxonRank": "f.", "infraspecificEpithet": "ambigua", "identifiedBy": "Edward G. Voss", "recordedBy": "John H. Ehlers", "recordNumber": "1643", "verbatimEventDate": "1921-07-26", "habitat": "Marsh", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "Bessey Creek, Douglas Lake", "decimalLatitude": "45.601488", "decimalLongitude": "-84.715792", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}