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": ""}
euphorbia melanadenia 6w,       g 7263 1939-04-10 [`@   -  torr. EUPHORBIA pyI    oV.I EUPHORBIACEAE  dry soil. B     aeN 0 SABINO CANYON, SANTA CATALINA MTS., TUCSON. United States g A   (2-2p Arizona  melanadenia @$6XS   MALPIGHIALES PT      1288997 u t1 
{"catalogNumber": "1288997", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia melanadenia", "scientificNameAuthorship": "Torr.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "melanadenia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "7263", "verbatimEventDate": "1939-04-10", "habitat": "Dry soil.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arizona", "county": "", "municipality": "", "locality": "Sabino Canyon, Santa Catalina Mts., Tucson.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}