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": ""}
Mercurialis annua /  L. Db+md   *Y NOT EVIDENT    8Oq,m annua  no data  854         6299 A    Malpigh|ales 5&       NO DATA PROVIDED ON LABEL OF CATALOG NO: 1642835  f| `  mercurialis s>    X:9 1642835
{"catalogNumber": "1642835", "order": "Malpighiales", "family": "", "scientificName": "Mercurialis annua", "scientificNameAuthorship": "L.", "genus": "Mercurialis", "subgenus": "", "specificEpithet": "annua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Not evident", "recordNumber": "6299", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "no data", "stateProvince": "", "county": "", "municipality": "", "locality": "no data provided on label of catalog no: 1642835", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}