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": ""}
    s.G D.H. NICOLSON  -97.0597 ==[   n! ]8 CAES+ALPINIA   qc oaxaca 1966-02-18 W !     OnwJx fabales      2820 Z!<  1150912 |  mexico !A      W,H$ 15.8571    /`R[x EXOSTEMMA
{"catalogNumber": "1150912", "order": "Fabales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Caesalpinia", "subgenus": "", "specificEpithet": "exostemma", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "D.H. Nicolson", "recordedBy": "", "recordNumber": "2820", "verbatimEventDate": "1966-02-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "", "decimalLatitude": "15.8571", "decimalLongitude": "-97.0597", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}