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": ""}
 bG contact um herbarium     MEXICO   u 1275222   7YO GEORGE F. GAUMER  StlA Lamiaceae L. J      W amiales  dn? 1895        4 sibiricus     v/] leonurus    <9Ni  leonurus sibiricus
{"catalogNumber": "1275222", "order": "Lamiales", "family": "Lamiaceae", "scientificName": "Leonurus sibiricus", "scientificNameAuthorship": "L.", "genus": "Leonurus", "subgenus": "", "specificEpithet": "sibiricus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George F. Gaumer", "recordNumber": "", "verbatimEventDate": "1895", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}