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": ""}
 h ! 1972-09-16   + UNITED STATES Poaceae R        B [ BOTHRIOCHLOA LeRoy H. Harvey & John T. Witherspoon ag       GRASSY ROADSIDE, MESQUITE. `7 K  bothriochloa saccharoides Jcz      0iMl  1406462 Medina K     
{"catalogNumber": "1406462", "order": "", "family": "Poaceae", "scientificName": "Bothriochloa saccharoides", "scientificNameAuthorship": "", "genus": "Bothriochloa", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "LeRoy H. Harvey & John T. Witherspoon", "recordNumber": "", "verbatimEventDate": "1972-09-16", "habitat": "Grassy roadside, mesquite.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Medina", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}