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": ""}
    7 m.: sinaloa 18932 JMdN   fagales A~t6i   2YqP NÃ©E  ]LtX Mexico  Quercus castanea ^?v    z0p Y fagaceae    2o  cornelius h. muller CASTANEA I       cntact um herbarivm L    1970-11-08 33hA  Quercus  u,d>  1237935 &hXP 
{"catalogNumber": "1237935", "order": "Fagales", "family": "Fagaceae", "scientificName": "Quercus castanea", "scientificNameAuthorship": "N\u00c3\u00a9e", "genus": "Quercus", "subgenus": "", "specificEpithet": "castanea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Cornelius H. Muller", "recordedBy": "", "recordNumber": "18932", "verbatimEventDate": "1970-11-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Sinaloa", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}