Task: Answer the MCQ question.
Question: Which compound exhibits a 18.253\% 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 other words.
Options:
a. CCOC(=O)C1CCCN(CCC(=O)Nc2ccc(Br)cc2)C1.Cl
b. O=C(CCc1ccccc1F)N1CCN(c2ccccc2)CC1
c. FC(F)Oc1ccccc1C1CC(c2ccc(Br)s2)Nc2ncnn21
d. O=Nc1c(O)n(Cc2ccc(Cl)cc2Cl)c2ccccc12
Answer: b. O=C(CCc1ccccc1F)N1CCN(c2ccccc2)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(CCc1ccccc1F)N1CCN(c2ccccc2)CC1
O=C(CCc1ccccc1F)N1CCN(c2ccccc2)CC1
3-(2-fluorophenyl)-1-(4-phenylpiperazin-1-yl)propan-1-one