Task: Answer the MCQ question.
Question: Which drug exhibits a 18.020\% 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) CN(c1ccc(C(=O)N2CCCCC2)cc1)S(=O)(=O)c1ccccc1
(b) O=CN1CCN(C(=O)c2ccccc2F)CC1
(c) O=C(CC12CC3CC(CC(C3)C1)C2)NCc1ccco1
(d) C[C@@H](NC(=O)c1nc[nH]c1C(=O)N1CCN(c2ccccc2)CC1)c1ccccc1
(e) CCCS(=O)(=O)N1CCCC(C(=O)NCCN(CC)c2ccccc2)C1
Answer: b. O=CN1CCN(C(=O)c2ccccc2F)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=CN1CCN(C(=O)c2ccccc2F)CC1
O=CN1CCN(C(=O)c2ccccc2F)CC1
4-(2-fluorobenzoyl)piperazine-1-carbaldehyde