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": ""}
 W8ikS a.c. sanders    contact um herbarium W   rosales J      1186     1=W~6 1189914  : maclura  MACLURA TINCTORIA cgA    7D.dX Quintana Roo   =xM$ TINCTORIA  P D.Don ex Steud.    9y Moraceae  21.21667 ZR    mexico =B,:u  
{"catalogNumber": "1189914", "order": "Rosales", "family": "Moraceae", "scientificName": "Maclura tinctoria", "scientificNameAuthorship": "D.Don ex Steud.", "genus": "Maclura", "subgenus": "", "specificEpithet": "tinctoria", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "A.C. Sanders", "recordedBy": "", "recordNumber": "1186", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Quintana Roo", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "21.21667", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}