Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 2.598\% 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 COc1ccc(C(C(=O)NCc2ccccc2)N(C(=O)c2snc(C(N)=O)c2N)C2CCCC2)cc1
b O=C(CCCCn1c(=O)[nH]c2ccccc2c1=O)NC1CCN(Cc2ccccc2)CC1
c Cc1ccccc1NC(=O)C1CCN(C(=O)N2CCOc3ccccc32)CC1
d CN(C(=O)COc1ccccc1C(=O)NCCOc1ccccc1)c1ccccc1
Answer: b. O=C(CCCCn1c(=O)[nH]c2ccccc2c1=O)NC1CCN(Cc2ccccc2)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(CCCCn1c(=O)[nH]c2ccccc2c1=O)NC1CCN(Cc2ccccc2)CC1
O=C(CCCCn1c(=O)[nH]c2ccccc2c1=O)NC1CCN(Cc2ccccc2)CC1
N-(1-benzylpiperidin-4-yl)-5-(2,4-dioxo-1H-quinazolin-3-yl)pentanamide