Task: Answer the multiple-choice question.
Question: Which drug exhibits a 13.574\% 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) CCN(CCCNC(=O)CCn1c(=O)[nH]c2ccccc2c1=O)c1ccccc1
(b) CNc1c(C(=O)O)ccc2c1C(=O)c1ccccc1C2=O
(c) O=C(Cn1c(=O)oc2ccccc21)Nc1ccc(Cl)cc1Cl
(d) COC(=O)C1=C(CS(=O)(=O)c2ccc(C)cc2)NC(=O)NC1c1ccc(OC)c(OC)c1
Answer: a. CCN(CCCNC(=O)CCn1c(=O)[nH]c2ccccc2c1=O)c1ccccc1
{#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#}
CCN(CCCNC(=O)CCn1c(=O)[nH]c2ccccc2c1=O)c1ccccc1
CCN(CCCNC(=O)CCn1c(=O)[nH]c2ccccc2c1=O)c1ccccc1
3-(2,4-dioxo-1H-quinazolin-3-yl)-N-[3-(N-ethylanilino)propyl]propanamide