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": ""}
 d; czech republic 1642841 NK  EUPHORBIACEAE J      vcX S.N.     !? ANNUA      r(a MERCURIALIS ANNUA   Ef, Malpighiales TROY MQff     %i PRAGUE mercurialis |  milos deyl ,[.[   Bohemia centralis: In ruderatis Braha-Troja Nuw     @s  1937-09 l.v G-j  
{"catalogNumber": "1642841", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Mercurialis annua", "scientificNameAuthorship": "L.", "genus": "Mercurialis", "subgenus": "", "specificEpithet": "annua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Milos Deyl", "recordNumber": "s.n.", "verbatimEventDate": "1937-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Czech Republic", "stateProvince": "Prague", "county": "Troy", "municipality": "", "locality": "Bohemia centralis: In ruderatis Praha-Troja", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}