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": ""}
        n rB- 1116479 michoacan  (at      19.6976     & 1972-10-20  `[ k L. HARVEY & J. WITHERSPOON Agrostis stolonifera ]1Q    1 J mexico  S93g Poaceae   9427 ;   )X$ / l.   stolonifera ^  EL SALTO; 51 MI E OF MORELIA ON MEX. 15 m 
{"catalogNumber": "1116479", "order": "", "family": "Poaceae", "scientificName": "Agrostis stolonifera", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "stolonifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "L. Harvey & J. Witherspoon", "recordNumber": "9427", "verbatimEventDate": "1972-10-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Michoacan", "county": "", "municipality": "", "locality": "El Salto; 51 mi E of Morelia on Mex. 15", "decimalLatitude": "19.6976", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}