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": ""}
sporobolus  r E%         c@pQO UNITED STATES  q: flexuosus   4617 :Rt>   | (thurb. ex vasey) rydb. Sporobolus flexuosus U@n.K  ward J:@(  1952-08-02 1N5G  poales #)FoP   TEXAS z   1424843 k eT&    [ POACEAE Grady L. Webster cc     aUg% CONTACT UM HERBARIUM
{"catalogNumber": "1424843", "order": "Poales", "family": "Poaceae", "scientificName": "Sporobolus flexuosus", "scientificNameAuthorship": "(Thurb. ex Vasey) Rydb.", "genus": "Sporobolus", "subgenus": "", "specificEpithet": "flexuosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Grady L. Webster", "recordNumber": "4617", "verbatimEventDate": "1952-08-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Ward", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}