Task: Answer the MCQ question.
Question: Which compound exhibits a 3.177\% 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.) Cc1nc2ccc(Br)cn2c1C(=O)N/N=C\c1ccccc1[N+](=O)[O-]
b.) CCOC(=O)c1cc(C)sc1NC(=S)Nc1ccccc1
c.) O=C(Nc1cccnc1)Nc1ccccc1Cl
d.) O=C1CCSc2ccc(Cl)cc2N1Cc1cccc(Cl)c1
Answer: c. O=C(Nc1cccnc1)Nc1ccccc1Cl
{#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(Nc1cccnc1)Nc1ccccc1Cl
O=C(Nc1cccnc1)Nc1ccccc1Cl
1-(2-chlorophenyl)-3-pyridin-3-ylurea