Task: Answer the multiple choice question.
Query: Which drug has a 16.629\% 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 CC(NC(=O)CSc1nc(=O)cc(N)n1CCc1ccccc1)c1ccccc1
b O=C(NC1CCCCC1)C12CC3CC(CC(Cl)(C3)C1)C2
c COc1ccc(-c2cc(=O)c(C(=O)c3ccc(C)cc3)n[nH]2)cc1
d O=C(NC1CC1)C1=C[C@H](C2CCCCC2)C[C@H](OCc2ccc(CO)cc2)O1
Answer: b. O=C(NC1CCCCC1)C12CC3CC(CC(Cl)(C3)C1)C2
{#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(NC1CCCCC1)C12CC3CC(CC(Cl)(C3)C1)C2
O=C(NC1CCCCC1)C12CC3CC(CC(Cl)(C3)C1)C2
3-chloro-N-cyclohexyladamantane-1-carboxamide