Task: Answer the MCQ question.
Query: Which compound exhibits a 19.217\% 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) CC(=O)N1c2ccc(S(=O)(=O)NCCC(=O)NC3CCCC(C)C3C)cc2CC1C
b) C=CCNS(=O)(=O)c1cccc2cc(C(=O)O)c(O)cc12
c) O=C(O)CCCC(=O)Nc1c(F)c(F)c(F)c(F)c1F
d) O=C1CCCc2c1[nH]c1ccccc21
Answer: d. O=C1CCCc2c1[nH]c1ccccc21
{#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=C1CCCc2c1[nH]c1ccccc21
O=C1CCCc2c1[nH]c1ccccc21
[O][=C][C][C][C][C][=C][Ring1][=Branch1][NH1][C][=C][C][=C][C][=C][Ring1][=Branch2][Ring1][=Branch1]
2,3,4,9-tetrahydrocarbazol-1-one