Task: Answer the multiple-choice question.
Question: Which drug exhibits a 12.121\% human ether-à-go-go related gene (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] CCN(CC)CCN1C(=O)c2oc3ccccc3c(=O)c2C1c1ccccc1
[b] COc1ccc(CCNc2nc(-c3sc(N)nc3C)cs2)cc1OC
[c] [N-]=C=C1C(=O)NC(=O)C([n+]2ccc(-c3ccncc3)cc2)C1c1ccccc1C(F)(F)F
[d] Oc1cc(-n2cccn2)c(O)cc1-n1cccn1
Answer: b. COc1ccc(CCNc2nc(-c3sc(N)nc3C)cs2)cc1OC
{#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#}
COc1ccc(CCNc2nc(-c3sc(N)nc3C)cs2)cc1OC
COc1ccc(CCNc2nc(-c3sc(N)nc3C)cs2)cc1OC
5-[2-[2-(3,4-dimethoxyphenyl)ethylamino]-1,3-thiazol-4-yl]-4-methyl-1,3-thiazol-2-amine