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": ""}
mexico $Yi3   Wight ex Steud. t+    8580   l      Q N. SNOW LeRoy H. Harvey A     novillerito; 35 miles e of acayucan hwy mex180 Cg   poaceae       1970-08-02 ]          DOo virgata 
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "Wight ex Steud.", "genus": "", "subgenus": "", "specificEpithet": "virgata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "N. Snow", "recordedBy": "LeRoy H. Harvey", "recordNumber": "8580", "verbatimEventDate": "1970-08-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Novillerito; 35 miles E of Acayucan Hwy Mex180", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}