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": ""}
20.4904 @O N      7655 eon   -87.7362 K N;   MILL. sV  spinocsa Y#     CoOIi SMILACACEAE  2xX 1145357   SMILAX SPINOSA Lsq   MEXICO 0$]l     quintana roo /Q-HZ    
{"catalogNumber": "1145357", "order": "", "family": "Smilacaceae", "scientificName": "Smilax spinosa", "scientificNameAuthorship": "Mill.", "genus": "", "subgenus": "", "specificEpithet": "spinosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "7655", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Quintana Roo", "county": "", "municipality": "", "locality": "", "decimalLatitude": "20.4904", "decimalLongitude": "-87.7362", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}