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": ""}
   U kunth tr0pical life zone. U2      8N+ SERPENS  SAN ANTONIO. U .n     5(p bexar  G-Pc* MALPIGHIALES  euphorbia serpens =v   ~K+ 1911-06-19  V.V J. CLEMENS & M.S. CLEMENS   421 dKP<vh   L Euphorbia     euphorbiaceae 2D~ej   
{"catalogNumber": "", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia serpens", "scientificNameAuthorship": "Kunth", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "serpens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. Clemens & M.S. Clemens", "recordNumber": "421", "verbatimEventDate": "1911-06-19", "habitat": "Tropical life zone.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Bexar", "municipality": "", "locality": "San Antonio.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}