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)RUu 21.91667     21â°55' n, 105â°13' w Z  1169176 S           ! 12808  d ARBOL DE 5M, CON LATEX BLANCO; FR. VERDE       MEXICO 0*.^<  Km 3-5 camino de la estacion de Microondas Pe$itas, en el crucero de caminos Tepic-Tuxpan-Mazatlan &92@ 
{"catalogNumber": "1169176", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "12808", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "arbol de 5m, con latex blanco; fr. verde", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Km 3-5 camino de la estacion de Microondas Pe$itas, en el crucero de caminos Tepic-Tuxpan-Mazatlan", "decimalLatitude": "21.91667", "decimalLongitude": "", "verbatimCoordinates": "21\u00c2\u00b055' N, 105\u00c2\u00b013' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}