Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a -3.389\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] CCn1ccnc1CN1CCc2c([nH]c3ccccc23)C1C(C)(C)C
[b] O=C(N/N=C/c1ccncc1)c1ccc(Cl)cc1
[c] Cc1nc2ccccc2c2oc(C(=O)N3CCN(c4ccc([N+](=O)[O-])cc4)CC3)cc12
Answer: b. O=C(N/N=C/c1ccncc1)c1ccc(Cl)cc1
{#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=C(N/N=C/c1ccncc1)c1ccc(Cl)cc1
O=C(N/N=C/c1ccncc1)c1ccc(Cl)cc1
4-chloro-N-[(E)-pyridin-4-ylmethylideneamino]benzamide