Task: Answer the multiple choice question.
Question: Which compound exhibits a 12.389\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=C(CN1C(=O)CSc2ncccc21)Nc1cccc(Cl)c1
(b) O=C(Nc1c(-c2cccs2)nc2ccccn12)c1ccc2ccccc2c1
(c) CCN1CCN(S(=O)(=O)c2ccc(Cl)c(C(=O)Nc3sc4c(c3-c3nc5ccccc5[nH]3)CCCC4)c2)CC1
Answer: b. O=C(Nc1c(-c2cccs2)nc2ccccn12)c1ccc2ccccc2c1
{#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(Nc1c(-c2cccs2)nc2ccccn12)c1ccc2ccccc2c1
O=C(Nc1c(-c2cccs2)nc2ccccn12)c1ccc2ccccc2c1
N-[2-(thiophen-2-yl)imidazo[1,2-a]pyridin-3-yl]naphthalene-2-carboxamide