Task: Answer the multiple-choice question.
Query: Which compound exhibits a 3.558\% 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 additional words.
Options:
[a] COC(=O)CSc1nc2c(cnn2-c2ccc(Cl)cc2)c(=O)[nH]1
[b] Cc1ccc(Cn2cc(SCC(N)=O)c3ccccc32)cc1
[c] O=C(NCC1CCCCC1)c1cccc([N+](=O)[O-])c1
[d] CCN(C(=O)c1cc2c(s1)-c1ccccc1S(=O)(=O)C2)c1cc(OC)ccc1OC
Answer: d. CCN(C(=O)c1cc2c(s1)-c1ccccc1S(=O)(=O)C2)c1cc(OC)ccc1OC
{#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#}
CCN(C(=O)c1cc2c(s1)-c1ccccc1S(=O)(=O)C2)c1cc(OC)ccc1OC
CCN(C(=O)c1cc2c(s1)-c1ccccc1S(=O)(=O)C2)c1cc(OC)ccc1OC
N-(2,5-dimethoxyphenyl)-N-ethyl-5,5-dioxo-4H-thieno[3,2-c]thiochromene-2-carboxamide