Task: Answer the MCQ question.
Question: Which drug has a 8.897% 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 COc1ccc(CC(=O)N2CCN(c3ccccn3)CC2)cc1OC
b Cc1ccc(S(=O)(=O)N2CCCN(C(=O)c3ccc(-n4cccn4)cc3)CC2)cc1
c CC(C)[C@H](NC(=O)C1CCN(S(=O)(=O)c2ccc(F)cc2)CC1)C(=O)N1CCCC1
d CCn1c(CCC(=O)Nc2nc3c(s2)CCCC3)nc2cc(S(=O)(=O)N(C)C)ccc21
Answer: a. COc1ccc(CC(=O)N2CCN(c3ccccn3)CC2)cc1OC
{#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#}
COc1ccc(CC(=O)N2CCN(c3ccccn3)CC2)cc1OC
COc1ccc(CC(=O)N2CCN(c3ccccn3)CC2)cc1OC
1-(4-pyridin-2-ylpiperazin-1-yl)-2-(4,5-dimethoxyphenyl)ethanone