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": ""}
1976-10-30 L       1g Eugenia    qtb f.r. barrie contact um herbarium cS  CHIAPAS 1AjQd  silteecana n      DENNIS Ec. BREEDLOVE _   TXRv 1233940    41168 q QYW   Q* Mexico      >R  EUGENIA SILTEPECANA
{"catalogNumber": "1233940", "order": "", "family": "", "scientificName": "Eugenia siltepecana", "scientificNameAuthorship": "", "genus": "Eugenia", "subgenus": "", "specificEpithet": "siltepecana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "F.R. Barrie", "recordedBy": "Dennis E. Breedlove", "recordNumber": "41168", "verbatimEventDate": "1976-10-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Chiapas", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}