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": ""}
1951-04-01 & S4a       B ALNUS JORULLENSIS CONTACT UM HERBARIUM sV5<  benth. V`g    11673 9#E+     [I jorullensis   6  Jalisco 1262183 Kl  Betulaceae 1I]H5  MEXICO q    _7ewh luz m. gonzã¡lez v.   ye alnus  rogers mcvaugh + &S   D Fagales 
{"catalogNumber": "1262183", "order": "Fagales", "family": "Betulaceae", "scientificName": "Alnus jorullensis", "scientificNameAuthorship": "Benth.", "genus": "Alnus", "subgenus": "", "specificEpithet": "jorullensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Luz M. Gonz\u00c3\u00a1lez V.", "recordedBy": "Rogers McVaugh", "recordNumber": "11673", "verbatimEventDate": "1951-04-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Jalisco", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}