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": ""}
anton a. reznicek En  POALES [e I    5 Jg9 poaceae 1477830 /   a]X[  BROMUS Bromus pubescens A  UNITED STATES yJ e   M6Wyp GROWN AT THE BOTANICAL GARDENS, UNIVERSITY OF MICHIGAN, ANN ARBOR. SOMATIC CHROMOSOME-NUMBER FROM ROOT-TIP SMEARS: 14 [THE COLLECTOR NUMBER IS THE SAME AS THE SPECIMEN WITH THE BARCODE NUMBER 1477820]  /X H. KEITH WAGNON  1948-09-10 +y >          ui washtenaw  B pubescens  ] 42.319337    9C3 Plant collected in Barton Hills, Ann Arbor Muhl. ex Willd. -w-B  -83.759492 Y  1575 ~JS^   
{"catalogNumber": "1477830", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus pubescens", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "Bromus", "subgenus": "", "specificEpithet": "pubescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "H. Keith Wagnon", "recordNumber": "1575", "verbatimEventDate": "1948-09-10", "habitat": "", "occurrenceRemarks": "Grown at the Botanical Gardens, University of Michigan, Ann Arbor. Somatic chromosome-number from root-tip smears: 14 [The collector number is the same as the specimen with the barcode number 1477820]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "Plant collected in Barton Hills, Ann Arbor", "decimalLatitude": "42.319337", "decimalLongitude": "-83.759492", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}