Task: Answer the MCQ question.
Question: Which compound exhibits a 5.202\% 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 O=C(COc1ccccc1Cl)c1ccc2c(c1)CCCC2
b CC(=O)Nc1ccc(S(=O)(=O)N2CCCN(c3nc(C)cc(C)c3C#N)CC2)cc1
c O=C(NNC(=O)c1cccs1)c1ccc(F)cc1
d O=C1CSC(=O)N1CCOCCN1C(=O)CSC1=O
Answer: a. O=C(COc1ccccc1Cl)c1ccc2c(c1)CCCC2
{#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(COc1ccccc1Cl)c1ccc2c(c1)CCCC2
O=C(COc1ccccc1Cl)c1ccc2c(c1)CCCC2
2-(2-chlorophenoxy)-1-(5,6,7,8-tetrahydronaphthalen-2-yl)ethanone