Task: Answer the multiple-choice question.
Query: Which compound has a 2.056\% 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 additional words.
Options:
a CCN(CC(=O)Nc1ccccc1OC)C(=O)c1ccc(N(C)S(=O)(=O)c2ccc(C)cc2)cc1
b COc1ccccc1CN1CC(C(=O)N(C)Cc2[nH]c3ccccc3c2C)CCC1=O
c O=C(c1ccc(-c2ccccc2)cc1)C1CCCN(Cc2ccncc2)C1
d CCC(=O)Nc1cc2nn(-c3ccc(C)cc3)nc2cc1C
Answer: c. O=C(c1ccc(-c2ccccc2)cc1)C1CCCN(Cc2ccncc2)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#}
O=C(c1ccc(-c2ccccc2)cc1)C1CCCN(Cc2ccncc2)C1
O=C(c1ccc(-c2ccccc2)cc1)C1CCCN(Cc2ccncc2)C1
(4-phenylphenyl)-[1-(pyridin-4-ylmethyl)piperidin-3-yl]methanone