Task: Answer the multiple-choice question.
Question: Which compound has a -19.688\% 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) Cc1onc(-c2ccccc2Cl)c1C(=O)NCCn1c(C)cc2ccccc21
b) Cc1ccc(N2NC(=O)/C(=C/c3ccc(-c4ccc(Cl)c(C(=O)O)c4)o3)C2=O)cc1C
c) COc1ccccc1CNC(=O)N1CCN(c2ccccc2C)CC1
d) CCCc1nc2c(C)cc(C)cc2c(N)c1CC
Answer: d. CCCc1nc2c(C)cc(C)cc2c(N)c1CC
{#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#}
CCCc1nc2c(C)cc(C)cc2c(N)c1CC
CCCc1nc2c(C)cc(C)cc2c(N)c1CC
3-ethyl-6,8-dimethyl-2-propylquinolin-4-amine