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": ""}
 TM^ 1847  L. @    y;C S.N.      mjG Mercurialis annua   annua +   m  EUPHORBIACEE  427 MERCURIALIS  Malpighiales P>5  :S. S. GARRIGUES `$_    8p GÃ¶TTINGEN     - GÃ¶ttingen Niedersach sen Ub     sK 1642837 GERMANY 6 
{"catalogNumber": "1642837", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Mercurialis annua", "scientificNameAuthorship": "L.", "genus": "Mercurialis", "subgenus": "", "specificEpithet": "annua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S. S. Garrigues", "recordNumber": "s.n.", "verbatimEventDate": "1847", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Germany", "stateProvince": "Niedersachsen", "county": "G\u00c3\u00b6ttingen", "municipality": "", "locality": "G\u00c3\u00b6ttingen", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}