Task: Please answer the following question about the molecule with SMILES CC(=O)Nc1c(I)c(NC(C)=O)c(I)c(C(=O)[O-])c1I.[Na+].
Description: Please provide a description of this drug's mechanism of action.
Completion: Diagnostic agent
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
CC(=O)Nc1c(I)c(NC(C)=O)c(I)c(C(=O)[O-])c1I.[Na+]
CC(=O)Nc1c(I)c(NC(C)=O)c(I)c(C(=O)[O-])c1I.[Na+]
sodium;3,5-diacetamido-2,4,6-triiodobenzoate
Please provide a description of this drug's mechanism of action.