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 JOHN M. TUCKER solanales vV1n  UMBELLATA  B[       GORDON D. MPHERSON k  1300889 4Ax  (l.) hallier f. Ntm&=   CONVOLVULACEAE 3   1941-^12-17 JtHnP         EL SALVADOR ;@%   MERREMIA l&   
{"catalogNumber": "1300889", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "", "scientificNameAuthorship": "(L.) Hallier f.", "genus": "Merremia", "subgenus": "", "specificEpithet": "umbellata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Gordon D. McPherson", "recordedBy": "John M. Tucker", "recordNumber": "", "verbatimEventDate": "1941-12-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "El Salvador", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}