Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -19.982\% 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 other words.
Options:
[a] CN(C)c1ccc(NC(=O)c2ccc(N3CCOCC3)nc2)cc1
[b] Cc1cccnc1NC(=O)CNC(=O)c1cccs1
[c] O=C(O)CCCn1ccc2cc(S(=O)(=O)N3CCCC3)ccc21
[d] CC1CCN(CCCOc2ccc(Br)cc2Cl)CC1
Answer: d. CC1CCN(CCCOc2ccc(Br)cc2Cl)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#}
CC1CCN(CCCOc2ccc(Br)cc2Cl)CC1
CC1CCN(CCCOc2ccc(Br)cc2Cl)CC1
1-[3-(4-bromo-2-chlorophenoxy)propyl]-4-methylpiperidine