Task: Answer the multiple-choice question.
Query: Which compound exhibits a 0.687\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: COc1ccc(CC(=O)NCc2ccc3c(c2)cc(C)n3C)cc1
b: CC1(C)CC(=O)C2=C(C1)NC(=O)CC2c1ccc(F)cc1
c: CC1CCN(CCCOc2ccc(Br)cc2Cl)CC1
d: Cn1c2c(c(=O)c3ccccc31)CCC(C)(C)O2
Answer: b. CC1(C)CC(=O)C2=C(C1)NC(=O)CC2c1ccc(F)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#}
CC1(C)CC(=O)C2=C(C1)NC(=O)CC2c1ccc(F)cc1
CC1(C)CC(=O)C2=C(C1)NC(=O)CC2c1ccc(F)cc1
4-(4-fluorophenyl)-7,7-dimethyl-3,4,6,8-tetrahydro-1H-quinoline-2,5-dione