Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 8.074\% human ether-à-go-go related gene (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 other words.
Options:
(a) OCCC1CN(Cc2ccn[nH]2)CCN1Cc1ccc(F)c(F)c1
(b) Cn1c(=O)[nH]c(=O)c2c1nc(N1CCNCC1)n2Cc1cccc2ccccc12
(c) CCOC(=O)C1=C(CSc2nnnn2C)N(C)C(=O)NC1c1ccccc1
(d) O=C(C1=C[C@@H](c2ccc(Br)cc2)C[C@@H](OCc2ccc(CO)cc2)O1)N1CCN(Cc2ccc3c(c2)OCO3)CC1
Answer: a. OCCC1CN(Cc2ccn[nH]2)CCN1Cc1ccc(F)c(F)c1
{#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#}
OCCC1CN(Cc2ccn[nH]2)CCN1Cc1ccc(F)c(F)c1
OCCC1CN(Cc2ccn[nH]2)CCN1Cc1ccc(F)c(F)c1
2-[1-[(3,4-difluorophenyl)methyl]-4-(1H-pyrazol-5-ylmethyl)piperazin-2-yl]ethanol