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": ""}
        VB@7 Ã MESOCHORUS Illinois 8= gnH    ~-o 2006-07-14  -90.46413 E2 L3   @O 36987  HnV Cyperaceae           steven r. hill $R=  
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "\u00c3\u0097 mesochorus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Steven R. Hill", "recordNumber": "36987", "verbatimEventDate": "2006-07-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Illinois", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-90.46413", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}