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": ""}
 1 croton   9v7 -65.79475   Puerto Rico @       18.296167 yuRcc             ^> medium-sized tree (approx. 20' tall), relatively uncommon. leaves light green beneath, darker above, shinny; bark covered with moss. clear aromatic sap    
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Medium-sized tree (approx. 20' tall), relatively uncommon. Leaves light green beneath, darker above, shinny; bark covered with moss. Clear aromatic sap", "associatedTaxa": "", "country": "Puerto Rico", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "18.2961667", "decimalLongitude": "-65.79475", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}