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": ""}
 g  4074   [ fronteras S. White *)_l+  -109.55 )    lp Sonora    1280 Ue     O5 mexico   1941-08-20 EA  EUPHORBIA Y    # 1161919   bW<tG 30.8969   r M.H. Mayfield  |FRONTERAS; BAVISPE; EL TAJO, RÃ­O FRONTERAS  X  L. j ;|T  heterophylla Ux  f  
{"catalogNumber": "1161919", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "heterophylla", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M.H. Mayfield", "recordedBy": "S. White", "recordNumber": "4074", "verbatimEventDate": "1941-08-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Sonora", "county": "Fronteras", "municipality": "", "locality": "Fronteras; Bavispe; El Tajo, r\u00c3\u00ado Fronteras", "decimalLatitude": "30.8969", "decimalLongitude": "-109.553", "verbatimCoordinates": "", "minimumElevationInMeters": "1280", "maximumElevationInMeters": ""}