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": ""}
      BC70 1977-09-i22  jaR LAT. 18Â°24'0'' LONG. [-]99Â°56'0''   yv acatlã¡n de la cruz; 20 km wnw of teoloapan, at km 83 on road from iguala to arcelia, 1 km e of rancho nuevo    18.4 i w+8           Vahl h8.      FIMBRISTYLIS wM] 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Vahl", "genus": "Fimbristylis", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1977-09-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Acatl\u00c3\u00a1n de la Cruz; 20 km WNW of Teloloapan, at km 83 on road from Iguala to Arcelia, 1 km E of Rancho Nuevo", "decimalLatitude": "18.4", "decimalLongitude": "", "verbatimCoordinates": "Lat. 18\u00c2\u00b024'0'' Long. [-]99\u00c2\u00b056'0''", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}