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": ""}
  b= coahuila patens    (swallen) henr. &Qos    R+Ux MEXICO  w/ explosivos monclova; 20 km n of jct. of monc|ova and torreã³n road    k4 27.0739  mPOHD poales 1120603 /cJiG     gB -101.367   LeRoy H. Harvey T- s     R5 DIGITARIA PATENS   3 1939-07-03  D/ $ DIGITARIA     h 1112 
{"catalogNumber": "1120603", "order": "Poales", "family": "", "scientificName": "Digitaria patens", "scientificNameAuthorship": "(Swallen) Henr.", "genus": "Digitaria", "subgenus": "", "specificEpithet": "patens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "LeRoy H. Harvey", "recordNumber": "1112", "verbatimEventDate": "1939-07-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Coahuila", "county": "", "municipality": "", "locality": "Explosivos Monclova; 20 km N of jct. Of Monclova and Torre\u00c3\u00b3n road", "decimalLatitude": "27.0739", "decimalLongitude": "-101.367", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}