Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 12.269\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] C=C1C(O)(c2ccccc2)C2CC[N+]1(C)CC2.[Cl-]
[b] Nc1ccn(-c2ccc(Cl)cc2)c(=O)c1
[c] Cc1c(N=Cc2ccc(Br)s2)cccc1[N+](=O)[O-]
[d] CCN1CCN(C(=O)C2CCCN(S(=O)(=O)c3cc(Cl)ccc3Cl)C2)CC1
[e] CCN(CC(=O)Nc1ccc(NC(C)=O)cc1)C(=O)c1ccc(=O)n(C)n1
Answer: b. Nc1ccn(-c2ccc(Cl)cc2)c(=O)c1
{#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#}
Nc1ccn(-c2ccc(Cl)cc2)c(=O)c1
Nc1ccn(-c2ccc(Cl)cc2)c(=O)c1
4-amino-1-(4-chlorophenyl)pyridin-2-one