Task: Answer the MCQ question.
Query: Which compound exhibits a 2.976\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. Cc1c(C(=O)N2CCN(c3ccccc3F)CC2)sc2nc(-c3ccccc3)cn12
b. O=C(O)CCC(=O)Nc1ccc(C(=O)OC2CCCCC2)cc1
c. Cn1c(=O)[nH]c(=O)c2c1nc(CN1CCN(c3cccc(Cl)c3)CC1)n2CCN1CCOCC1
Answer: a. Cc1c(C(=O)N2CCN(c3ccccc3F)CC2)sc2nc(-c3ccccc3)cn12
{#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#}
[4-(2-fluorophenyl)piperazin-1-yl]-(3-methyl-6-phenylimidazo[2,1-b][1,3]thiazol-2-yl)methanone