Task: Answer the multiple choice question.
Question: Which drug exhibits a 14.078\% 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: COc1ccccc1C(=O)NCCC(=O)NN1C(=O)NC2(CCCCC2)C1=O
b: COc1cccc(C(=O)N2CCN(c3ccccn3)CC2)c1
c: CC1CC(=O)N(CC(=O)Nc2ccc(F)cc2)c2ccccc2S1(=O)=O
d: C=CCn1c(SCC(=O)NCCc2ccccc2)nnc1C1CC1
Answer: b. COc1cccc(C(=O)N2CCN(c3ccccn3)CC2)c1
{#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#}
COc1cccc(C(=O)N2CCN(c3ccccn3)CC2)c1
COc1cccc(C(=O)N2CCN(c3ccccn3)CC2)c1
(5-methoxyphenyl)-(4-pyridin-2-ylpiperazin-1-yl)methanone