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": ""}
  ZEA c+Q      67  zea mays subsp. mexicana MAYS  M       N Poales      ? poaceae   NT` P mexicana   E2  contact um herbarium     qY H. Iltis & J. Doebley    MEXICO w1z 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Zea mays subsp. mexicana", "scientificNameAuthorship": "", "genus": "Zea", "subgenus": "", "specificEpithet": "mays", "verbatimTaxonRank": "", "infraspecificEpithet": "mexicana", "identifiedBy": "", "recordedBy": "H. Iltis & J. Doebley", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}