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": ""}
1937-05-21 ev<1.   C -99.7463  aD[  eduardo neri    ~ 1184963 rosaceae .$Kf     SEROTINA xOU   g-<m. Prunus  n/ mina; mina; aguazarca   % ehrh.   GEO. B. HINTON 1  17.8819 ErN   rosales ;9yf,  MEXICO y   PRUNUS SEROTINA (ClfB       guerrero 10432 3s  
{"catalogNumber": "1184963", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus serotina", "scientificNameAuthorship": "Ehrh.", "genus": "Prunus", "subgenus": "", "specificEpithet": "serotina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Geo. B. Hinton", "recordNumber": "10432", "verbatimEventDate": "1937-05-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Guerrero", "county": "Eduardo Neri", "municipality": "", "locality": "Mina; Mina; Aguazarca", "decimalLatitude": "17.8819", "decimalLongitude": "-99.7463", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}