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": ""}
  Piptochaetium Hs !    Olb2 1129166 POACEAE Tm67P  MEXICO Z  1974-07-25  ZM           poales _~: j  6494 a,M0v     CONTACT UM HERBARIUM (Kunth)A.S. Hitchc. p    Z PIPTOCHAETIUM FIMBRIATUM  Z fimbriatum  u,iY robert a. bye   
{"catalogNumber": "1129166", "order": "Poales", "family": "Poaceae", "scientificName": "Piptochaetium fimbriatum", "scientificNameAuthorship": "(Kunth) A.S. Hitchc.", "genus": "Piptochaetium", "subgenus": "", "specificEpithet": "fimbriatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert A. Bye", "recordNumber": "6494", "verbatimEventDate": "1974-07-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}