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": ""}
 <Hx s7 2440   gs6 ; M. GONZÃ¡LEZ   VNVV quercus      humb. & bonpl. 0 yN         QUERCUS SIDEROXYLA iX@   5W FAGACEAE  1990-1-18 AV     RB DURANGO  % 1264470  zBY fagales 
{"catalogNumber": "1264470", "order": "Fagales", "family": "Fagaceae", "scientificName": "Quercus sideroxyla", "scientificNameAuthorship": "Humb. & Bonpl.", "genus": "Quercus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. Gonz\u00c3\u00a1lez", "recordNumber": "2440", "verbatimEventDate": "1990-10-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Durango", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}