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": ""}
 [M  # Victor W. S_teinmann     euphorbiaceae+         Oak and pine forest ]1   1939-07-05 HQ   guerrero aenas     + bc Euphorbia ixtlana mexico v8    3DUARDO NERI YV8    M.J.Huft 7 
{"catalogNumber": "", "order": "", "family": "Euphorbiaceae", "scientificName": "Euphorbia ixtlana", "scientificNameAuthorship": "M.J.Huft", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Victor W. Steinmann", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1939-07-05", "habitat": "Oak and pine forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Guerrero", "county": "Eduardo Neri", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}