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": ""}
     1974-06-12 X;gy         -96.78168 :Q   u7fMc Veracruz    Euphorbia hirta o .?&    K/ E MEXICO  NO Rancho Viejo     V7 10146  4^JS> HIRTA 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Euphorbia hirta", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "hirta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "10146", "verbatimEventDate": "1974-06-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Veracruz", "county": "", "municipality": "", "locality": "Rancho Viejo", "decimalLatitude": "", "decimalLongitude": "-96.78168", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}