Task: Answer the multiple choice question.
Question: Which compound exhibits a 6.053\% 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) C/C(=C\c1ccccc1)C(=O)n1nnc2ccccc21
(b) CCN(CC)S(=O)(=O)c1ccc(C(=O)Nc2cc(C)cc(C)c2)cc1
(c) CCCn1cnc2c1c(=O)n(CCCCC(C)=O)c(=O)n2C
(d) O=C(CCc1c[nH]c2ccccc12)N1CCCCCCC1
Answer: a. C/C(=C\c1ccccc1)C(=O)n1nnc2ccccc21
{#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#}
C/C(=C\c1ccccc1)C(=O)n1nnc2ccccc21
C/C(=C\c1ccccc1)C(=O)n1nnc2ccccc21
(E)-1-(benzotriazol-1-yl)-2-methyl-3-phenylprop-2-en-1-one