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": ""}
 flavescens /D)  MEXICO  fs       =u( var.     Lv?Yb CONTACT UM HERBARIUM     (n 84 Cyperus flavescens var. piceus  kXsR 1450340    (Liebm.) Fernald  | m  3683 H2    %v cyperaceae piceus h5 E-    
{"catalogNumber": "1450340", "order": "", "family": "Cyperaceae", "scientificName": "Cyperus flavescens var. piceus", "scientificNameAuthorship": "(Liebm.) Fernald", "genus": "", "subgenus": "", "specificEpithet": "flavescens", "verbatimTaxonRank": "var.", "infraspecificEpithet": "piceus", "identifiedBy": "", "recordedBy": "", "recordNumber": "3683", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}