Task: Answer the MCQ question.
Query: Which compound exhibits a 8.216\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) O=c1[nH]c2cc(Cl)ccc2n1-c1ccccc1
b.) OC[C@H]1O[C@@H](Oc2cc(O)cc(/C=C/c3ccc(O)cc3)c2)[C@H](O)[C@@H](O)[C@@H]1O
c.) CC1CN(C2CCN(S(=O)(=O)c3ccc4ccccc4c3)CC2)CC(C)O1
Answer: a. O=c1[nH]c2cc(Cl)ccc2n1-c1ccccc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=c1[nH]c2cc(Cl)ccc2n1-c1ccccc1
O=c1[nH]c2cc(Cl)ccc2n1-c1ccccc1
[O][=C][NH1][C][=C][C][Branch1][C][Cl][=C][C][=C][Ring1][#Branch1][N][Ring1][#Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1]
5-chloro-1-phenyl-3H-benzimidazol-2-one