Task: Answer the multiple choice question.
Question: Which compound has a 12.673\% 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 other words.
Options:
a) Cc1cn[nH]c1.Cl
b) CCC(CC)C(=O)NCCc1ccc(OC)cc1
c) CC(=O)NC1=NN(C(C)=O)C(c2ccc(C(C)C)cc2)S1
d) Cc1cc(Oc2ccccc2)nc(-c2ccccc2O)n1
Answer: b. CCC(CC)C(=O)NCCc1ccc(OC)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#}
CCC(CC)C(=O)NCCc1ccc(OC)cc1
CCC(CC)C(=O)NCCc1ccc(OC)cc1
2-ethyl-N-[2-(4-methoxyphenyl)ethyl]butanamide