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": ""}
   J$~ HUMB. & BONPL. EX WILLD.  nMjQF mimosa somnians          Las Flores; Tehuantepec; 2 km N of the village of M4tÃ­as Romero, along the Trans-Isthmian hwOy route 185 Tk         MatÃ­as Romero x]g*u      
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Mimosa somnians", "scientificNameAuthorship": "Humb. & Bonpl. ex Willd.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Mat\u00c3\u00adas Romero", "municipality": "", "locality": "Las Flores; Tehuantepec; 2 km N of the village of Mat\u00c3\u00adas Romero, along the Trans-Isthmian hwy route 185", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}