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": ""}
    Margery C. Carlson +SRL  PILICAULIS OF$Sx   1391 _   AXb` Contact UM Herbarium    FAGALES iSY.  fagaceae 3ld        -V!E OAXACA   5-u2 QUERCUS   FO. CONCAVA QhY    W#$ 1949-03-11  M quercus pilicaulis  
{"catalogNumber": "", "order": "Fagales", "family": "Fagaceae", "scientificName": "Quercus pilicaulis", "scientificNameAuthorship": "fo. concava", "genus": "Quercus", "subgenus": "", "specificEpithet": "pilicaulis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Margery C. Carlson", "recordNumber": "1391", "verbatimEventDate": "1949-03-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}