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": ""}
 contact um herbarium I         . 141   candicans &rY o     YO mexico  H. ILTIS & R. KOEPPEN TyqJ  POTENTILLA B 6,   1960-07-12 Eu<G   3czqN schlecht.    GbP 1184L604    POT3NTILL CANDICANS TU:z 
{"catalogNumber": "1184604", "order": "", "family": "", "scientificName": "Potentilla candicans", "scientificNameAuthorship": "Schlecht.", "genus": "Potentilla", "subgenus": "", "specificEpithet": "candicans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. Iltis & R. Koeppen", "recordNumber": "141", "verbatimEventDate": "1960-07-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}