Task: Answer the multiple-choice question.
Question: Which compound exhibits a -44.218% 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] CCN(CC)CCN1C(=O)c2oc3ccccc3c(=O)c2C1c1cccc(Br)c1
[b] Cc1cc(C)cc(N=C(NO)c2cccc([N+](=O)[O-])c2)c1
[c] CCCC(=O)Nc1cc2c(cc1C(=O)c1ccccc1)OCCO2
[d] COC(=O)c1cccc([N+](=O)[O-])c1CN1CCCC(C(N)=O)C1
Answer: a. CCN(CC)CCN1C(=O)c2oc3ccccc3c(=O)c2C1c1cccc(Br)c1
{#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#}
CCN(CC)CCN1C(=O)c2oc3ccccc3c(=O)c2C1c1cccc(Br)c1
CCN(CC)CCN1C(=O)c2oc3ccccc3c(=O)c2C1c1cccc(Br)c1
1-(3-bromophenyl)-2-[2-(diethylamino)ethyl]-1H-chromeno[2,3-c]pyrrole-3,9-dione