Task: Answer the multiple choice question.
Query: Which drug has a 18.264\% 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. O=C(c1nc2ccc(Cl)cn2c1CNCCc1cnccn1)N1CCCCCCC1
b. CCCNS(=O)(=O)c1ccc(CCC(=O)N2CCN(c3ccc(OC)cc3)CC2)cc1
c. O=C(NCCN1CCN(C(=O)NC2CCCCC2)CC1)NC1CCCCC1
d. Cc1cc(C(=O)Nc2cccc(C)c2C)c2ccccc2n1
Answer: c. O=C(NCCN1CCN(C(=O)NC2CCCCC2)CC1)NC1CCCCC1
{#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(NCCN1CCN(C(=O)NC2CCCCC2)CC1)NC1CCCCC1
O=C(NCCN1CCN(C(=O)NC2CCCCC2)CC1)NC1CCCCC1
N-cyclohexyl-4-[2-(cyclohexylcarbamoylamino)ethyl]piperazine-1-carboxamide