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": ""}
 (l.) link NQj3   ./g: n. a. murray & d. m. johnson     contact um herbarium  Rj+ D.M. Johnson    r lu echinochloa colonum     f 857   T ECHINOCHLOA Poales _Sy[z       O;y POACEAE  F 3/h Costa Rica  : 1120771  colonum VE3`Q     
{"catalogNumber": "1120771", "order": "Poales", "family": "Poaceae", "scientificName": "Echinochloa colonum", "scientificNameAuthorship": "(L.) Link", "genus": "Echinochloa", "subgenus": "", "specificEpithet": "colonum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "D.M. Johnson", "recordedBy": "N. A. Murray & D. M. Johnson", "recordNumber": "857", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Costa Rica", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}