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": ""}
      u] 1941-04   n desv. ex poir.   w(Q7_ 19733  r poales   m CONTACT UM HERBARIUM   tuWDr 1127183  Af PANICUM  J =c Panicum aciculare   poaceaeW7]  R. LeÃ³n  P  cuba :_/    aciculare =LI    
{"catalogNumber": "1127183", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum aciculare", "scientificNameAuthorship": "Desv. ex Poir.", "genus": "Panicum", "subgenus": "", "specificEpithet": "aciculare", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Le\u00c3\u00b3n", "recordNumber": "19733", "verbatimEventDate": "1941-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Cuba", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}