Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a -0.103\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) O=C(CCN1CCN(c2ccccc2)CC1)c1ccc(Br)cc1
(b) O=C(N/N=C/c1cc(Br)c(Br)o1)c1ccc2c(c1)OCCO2
(c) CCCCn1c(N)c(N(CCOC)C(=O)c2oc3ccc(OCC)cc3c2C)c(=O)[nH]c1=O
(d) Cc1ccc(Cn2nnnc2CN2CCC(NC(=O)c3ccc(Br)cc3)CC2)cc1
Answer: a. O=C(CCN1CCN(c2ccccc2)CC1)c1ccc(Br)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#}
O=C(CCN1CCN(c2ccccc2)CC1)c1ccc(Br)cc1
O=C(CCN1CCN(c2ccccc2)CC1)c1ccc(Br)cc1
1-(4-bromophenyl)-3-(4-phenyl-1,4-diazinan-1-yl)propan-1-one