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": ""}
    1557646 9  BOSQUE SECO TROPICAL 8gMv1         l 2003-01-25    x. cornejo, c. bonitaz 9Z5wz   .r. riina riiWna & cornejo   ECUADOR yKtt   *JHI0 malpighiales   croton |[ y  croton churutensis ]X/@O   
{"catalogNumber": "1557646", "order": "Malpighiales", "family": "", "scientificName": "Croton churutensis", "scientificNameAuthorship": "Riina & Cornejo", "genus": "Croton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R. Riina", "recordedBy": "X. Cornejo, C. Bonitaz", "recordNumber": "", "verbatimEventDate": "2003-01-25", "habitat": "bosque seco tropical", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Ecuador", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}