Task: Answer the MCQ question.
Question: Which compound exhibits a 9.899\% 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, or c without using any additional words.
Options:
a Nc1nnnn1/N=C/c1ccc(N2CCCCC2)c([N+](=O)[O-])c1
b CCN(Cc1ccncc1)C(=S)Nc1ccc(Cl)cc1
c Cc1cc(C)cc(N(CCC#N)C(=O)CSC2=Nc3ccccc3C3CC=NN23)c1
Answer: b. CCN(Cc1ccncc1)C(=S)Nc1ccc(Cl)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#}
CCN(Cc1ccncc1)C(=S)Nc1ccc(Cl)cc1
CCN(Cc1ccncc1)C(=S)Nc1ccc(Cl)cc1
3-(4-chlorophenyl)-1-ethyl-1-(pyridin-4-ylmethyl)thiourea