Task: Answer the multiple-choice question.
Question: Which drug exhibits a 24.217\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) O=C(Cn1nnc(-c2ccccc2F)n1)N1CCCCC1
b) Cc1ccc(C)c(OCc2cc(C(=O)NC3CCN(Cc4ccccc4)CC3)no2)c1
c) CC(=O)N1CCC(N2CCCC(C(=O)c3cccc(Cl)c3)C2)CC1
d) COc1cccc(C(=O)CC(=O)C(=O)Nc2ccc([N+](=O)[O-])cc2C)c1
Answer: a. O=C(Cn1nnc(-c2ccccc2F)n1)N1CCCCC1
{#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(Cn1nnc(-c2ccccc2F)n1)N1CCCCC1
O=C(Cn1nnc(-c2ccccc2F)n1)N1CCCCC1
2-[5-(2-fluorophenyl)tetrazol-2-yl]-1-piperidin-1-ylethanone