Task: Answer the multiple-choice question.
Question: Which drug has a 2.430\% 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] O=C(C1CCCN1S(=O)(=O)c1cccc2nsnc12)N1CCCCCC1
[b] Cc1ccc(-c2noc(CCC(=O)NC3CCCc4ccccc43)n2)cc1
[c] c1ccc(-c2cncn2-c2ccccc2)cc1
[d] COC(=O)c1cc(Cl)c(NC(=O)/C=C/c2ccc(Cl)cc2Cl)cc1OC
Answer: c. c1ccc(-c2cncn2-c2ccccc2)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#}
c1ccc(-c2cncn2-c2ccccc2)cc1
c1ccc(-c2cncn2-c2ccccc2)cc1
1,5-diphenylimidazole