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": ""}
1960-09-28 Go  Poales OBuoVI  hallii 7  HALLII S^~X   panicum hallii var. halliiV 5   I#=  VAR.       YB contact um herbarium     a mexico  :J Panicum FLOYD R. WALLER, JR. g$,~   v: 5787  poaceae /    seA m. johnston   1126320 M4 m 
{"catalogNumber": "1126320", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum hallii var. hallii", "scientificNameAuthorship": "", "genus": "Panicum", "subgenus": "", "specificEpithet": "hallii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "hallii", "identifiedBy": "Floyd R. Waller, Jr.", "recordedBy": "M. Johnston", "recordNumber": "5787", "verbatimEventDate": "1960-09-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}