Problem statement: Answer the multiple-choice question.
Query: Which compound has a 2.098\% 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 other words.
Options:
(a) CCc1ccc(CC2(O)CC(C)N(C)CC2C)cc1
(b) O=C(Oc1ccc(F)cc1C(=O)/C=C/c1cccs1)c1cccc([N+](=O)[O-])c1
(c) CCOC(=O)N1CCC(NC(=O)c2oc3c(C)c(C)ccc3c2C)CC1
Answer: a. CCc1ccc(CC2(O)CC(C)N(C)CC2C)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#}
CCc1ccc(CC2(O)CC(C)N(C)CC2C)cc1
CCc1ccc(CC2(O)CC(C)N(C)CC2C)cc1
4-[(4-ethylphenyl)methyl]-1,2,5-trimethylpiperidin-4-ol