Question: Please provide a description of this drug's mechanism of action.
 The Molecule has the SMILES O1[As]2O[As]3O[As]1O[As](O2)O3.
Result: Thioredoxin reductase 1 inhibitor
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
O1[As]2O[As]3O[As]1O[As](O2)O3
O1[As]2O[As]3O[As]1O[As](O2)O3
2,4,6,8,9,10-hexaoxa-1,3,5,7-tetrarsatricyclo[3.3.1.13,7]decane
Please provide a description of this drug's mechanism of action.