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": ""}
     491 y[   aQmaranthus powellii mMDX   contact um herbarium t^   z? caryophyllales 1960-07-29 it   )rg;N hugh h. iltis   powe#llii Xt    B]x amaranthus   Y#| amaranthaceae mexico  A3 F  michoacan 3      o 1208603 s. waton ~|Zz 
{"catalogNumber": "1208603", "order": "Caryophyllales", "family": "Amaranthaceae", "scientificName": "Amaranthus powellii", "scientificNameAuthorship": "S. Watson", "genus": "Amaranthus", "subgenus": "", "specificEpithet": "powellii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Hugh H. Iltis", "recordNumber": "491", "verbatimEventDate": "1960-07-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Michoacan", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}