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": ""}
 2018 @  ~s     n#_c6 iridaceae   n contact um herbarium ROGERS MCVAUGH t    DE^ Mexico  4~:-v asparagales    Y 1146766 (Baker) Ravenna AZS    SHgM, TIGRIDIA     *M MULTIFLORA    ]@T R. Straw & M. Forman  ! tigridia multiflora   Tkx>7 1960-08-13
{"catalogNumber": "1146766", "order": "Asparagales", "family": "Iridaceae", "scientificName": "Tigridia multiflora", "scientificNameAuthorship": "(Baker) Ravenna", "genus": "Tigridia", "subgenus": "", "specificEpithet": "multiflora", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Rogers McVaugh", "recordedBy": "R. Straw & M. Forman", "recordNumber": "2018", "verbatimEventDate": "1960-08-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}