Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 8.310\% 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.) O=C(Nc1cc(Cl)ccc1N1CCOCC1)c1ccco1
b.) CCN1CCN(Cc2nnnn2C(C)(C)C)CC1
c.) CCCCCC(=O)N/N=C(\C)c1ccc(NC(=O)c2ccco2)cc1
Answer: b. CCN1CCN(Cc2nnnn2C(C)(C)C)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#}
CCN1CCN(Cc2nnnn2C(C)(C)C)CC1
CCN1CCN(Cc2nnnn2C(C)(C)C)CC1
1-[(1-tert-butyltetrazol-5-yl)methyl]-4-ethylpiperazine