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": ""}
  Iw&v MEXICO  moraceae ~q]  1917-10-21 u  SAN LUIS POTOSI ^g.   Ndeo Contact UM Herbarium     excentr|sca b)*S4     % moric.    Rosales _Do    f n  William L. Graham    1266451 +^m9    
{"catalogNumber": "1266451", "order": "Rosales", "family": "Moraceae", "scientificName": "", "scientificNameAuthorship": "Moric.", "genus": "", "subgenus": "", "specificEpithet": "excentrica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William L. Graham", "recordNumber": "", "verbatimEventDate": "1917-10-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "San Luis Potosi", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}