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": ""}
     :~u 19.6544   san francisco tlaltica; 20 km al ne de texcoco, sobre la carretera a calpulalpan 3 <O     hT simplex    1965-10-10 e           K I bosque de pinusquercus-juniperus muy alterado   C BOUTELOUA SIMPLEX  + R. CRUZ CISNEROS   
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Bouteloua simplex", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "simplex", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Cruz Cisneros", "recordNumber": "", "verbatimEventDate": "1965-10-10", "habitat": "Bosque de Pinus-Quercus-Juniperus muy alterado", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "San Francisco Tlaltica; 20 km al NE de Texcoco, sobre la carretera a Calpulalpan", "decimalLatitude": "19.6544", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}