Task: Answer the MCQ question.
Question: Which drug has a -14.322% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] O=C(NC1CCCC1)c1cccc(S(=O)(=O)Nc2ccccc2F)c1
[b] CCOC(=O)N1CCN(C(=O)c2ccc([N+](=O)[O-])cc2Cl)CC1
[c] CCOC(=O)CN(C(=O)CN1CCOCC1)c1ccc(Br)cc1
[d] O=C(O)c1ccc(NC(=O)c2cn(-c3ccccc3)nc2-c2ccc(Cl)cc2)cc1
Answer: b. CCOC(=O)N1CCN(C(=O)c2ccc([N+](=O)[O-])cc2Cl)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOC(=O)N1CCN(C(=O)c2ccc([N+](=O)[O-])cc2Cl)CC1
CCOC(=O)N1CCN(C(=O)c2ccc([N+](=O)[O-])cc2Cl)CC1
[4-(2-chloro-4-nitrobenzoyl)piperazin-1-yl]-ethoxymethanone