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": ""}
kunth W4  1423703 Oe ^m   SETARIA z]D.:    W united states Webb G        ;zd Texas    a|W  neacr laredo      L 107  A! Yg POALES  1899-08 C=    j5 setaria macrostachya Kenneth K. Magkenzieu `K+   dP*:A macrostachya POACEAE r  
{"catalogNumber": "1423703", "order": "Poales", "family": "Poaceae", "scientificName": "Setaria macrostachya", "scientificNameAuthorship": "Kunth", "genus": "Setaria", "subgenus": "", "specificEpithet": "macrostachya", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Kenneth K. Mackenzie", "recordNumber": "107", "verbatimEventDate": "1899-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Webb", "municipality": "", "locality": "near Laredo", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}