Task: Answer the MCQ question.
Query: Which compound exhibits a -4.543\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. Cc1cc(C)nc(N2CCCC(C(=O)NC3CCCC3)C2)n1
b. O=C(c1ccc(CS(=O)c2cccc(Cl)c2)o1)N1CCN(c2ccccn2)CC1
c. Cc1c(N=Cc2ccc(-c3ccc(Cl)cc3)o2)c(=O)n(-c2ccccc2)n1C
d. COc1ccc(N2C(=O)c3ccccc3NC2c2ccc(OC)c(CSc3ccccn3)c2)cc1
Answer: b. O=C(c1ccc(CS(=O)c2cccc(Cl)c2)o1)N1CCN(c2ccccn2)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(c1ccc(CS(=O)c2cccc(Cl)c2)o1)N1CCN(c2ccccn2)CC1
O=C(c1ccc(CS(=O)c2cccc(Cl)c2)o1)N1CCN(c2ccccn2)CC1
[5-[(3-chlorophenyl)sulfinylmethyl]furan-2-yl]-(4-pyridin-2-ylpiperazin-1-yl)methanone