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": ""}
L:eptochloa Nv BB  -99.1936 X7-   FROg 1123615   i` N. SNOW    koP  m. st. pierre   *! Boales    mexico T]6*   L @ DUBIA    :O|p Leptochlo4 dubia   zvR 19.3835    q^ , poaceae DISTRITO FEDERAL W   840 w)<   h9 alvaro obregã³n; mixcoac 
{"catalogNumber": "1123615", "order": "Poales", "family": "Poaceae", "scientificName": "Leptochloa dubia", "scientificNameAuthorship": "", "genus": "Leptochloa", "subgenus": "", "specificEpithet": "dubia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "N. Snow", "recordedBy": "M. St. Pierre", "recordNumber": "840", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Distrito Federal", "county": "", "municipality": "", "locality": "Alvaro Obreg\u00c3\u00b3n; Mixcoac", "decimalLatitude": "19.3835", "decimalLongitude": "-99.1936", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}