Task: Answer the multiple choice question.
Question: Which drug has a -18.408\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. O=C(Cc1ccc(Cl)cc1)NCCN1CCN(C(=O)Cc2ccc(Cl)cc2)CC1
b. Nc1oc2ccccc2c(=O)c1-c1ccc2c(c1)OCO2
c. CC(C)N1CCC(N2CCN(C3CCCCCC3)CC2CCO)CC1
Answer: a. O=C(Cc1ccc(Cl)cc1)NCCN1CCN(C(=O)Cc2ccc(Cl)cc2)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#}
O=C(Cc1ccc(Cl)cc1)NCCN1CCN(C(=O)Cc2ccc(Cl)cc2)CC1
O=C(Cc1ccc(Cl)cc1)NCCN1CCN(C(=O)Cc2ccc(Cl)cc2)CC1
2-(4-chlorophenyl)-N-[2-[4-[2-(4-chlorophenyl)acetyl]piperazin-1-yl]ethyl]acetamide