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": ""}
 | a (l.) beauv. ex roemer & j.a. schultes     df2 Heteropogon contortus  syf MEXICO Poales O   U 1057    T  .G. Schaffner     aPv= 1879    @ Poaceae  aUX contortkus    I<E San Luis PotosÃ­; S.L.P.    a$f 0 JOHN H. SCHAFF!NER  h san luis potosi  uz -100.975 HETEROPGON B4<u  1122385 8_   22.1511 4 
{"catalogNumber": "1122385", "order": "Poales", "family": "Poaceae", "scientificName": "Heteropogon contortus", "scientificNameAuthorship": "(L.) Beauv. ex Roemer & J.A. Schultes", "genus": "Heteropogon", "subgenus": "", "specificEpithet": "contortus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J.G. Schaffner", "recordedBy": "John H. Schaffner", "recordNumber": "1057", "verbatimEventDate": "1879", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "San Luis Potosi", "county": "", "municipality": "", "locality": "San Luis Potos\u00c3\u00ad; S.L.P.", "decimalLatitude": "22.1511", "decimalLongitude": "-100.975", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}