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": ""}
       1971-07-22 sb7=_   , 1304  AXIA BARRÃ­0 LINDAVISTA; 3.6 MI S OF MATATLÃ¡N ON HWY 190, ABOUT 1 MI S OF KM 595       .t GRAZED SECOND GROWTH ON WE2ATHERED METAMORPHICS, WITH SOME LIMESTONE, COMMON IN OPEN PLACE.      oaxaca |CBIT      
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1304", "verbatimEventDate": "1971-07-22", "habitat": "Grazed second growth on weathered metamorphics, with some limestone, common in open place.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "Barr\u00c3\u00ado Lindavista; 3.6 mi S of Matatl\u00c3\u00a1n on hwy 190, about 1 mi S of Km 595", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}