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": ""}
 LEPTOCHLOA DUBIA FJw^^    San Pedro Tlaquilpan; C. De los pitos, Hab. Valle de MÃ©xico U    (KUNTH) NEES  %     21519 B gUb    T1/]  DUBIA    19.9336    !l    Mexico 5[$#s  1951-07-22 Yt     poaceae  .   
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Leptochloa dubia", "scientificNameAuthorship": "(Kunth) Nees", "genus": "", "subgenus": "", "specificEpithet": "dubia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "21519", "verbatimEventDate": "1951-07-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "San Pedro Tlaquilpan; C. De los pitos, Hab. Valle de M\u00c3\u00a9xico", "decimalLatitude": "19.9336", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}