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": ""}
   ALVARADO at  d.h. janzen ,M   Veracruz ;>W    1149617 z    /Sw u 1964-04-26    8LKR FABACEAE 19.0564  x    u4&Ko LA SABANETA (COLONIA ADOLFO RUIZ CORTINES); N OF ANTON LIZARDO  1922 i         j sphaerocephala  Mexico K.-tT  vachellia sphaerocephala ZP4y 
{"catalogNumber": "1149617", "order": "", "family": "Fabaceae", "scientificName": "Vachellia sphaerocephala", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "sphaerocephala", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "D.H. Janzen", "recordNumber": "1922", "verbatimEventDate": "1964-04-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Veracruz", "county": "Alvarado", "municipality": "", "locality": "La Sabaneta (Colonia Adolfo Ruiz Cortines); N of Anton Lizardo", "decimalLatitude": "19.0564", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}