Task: Answer the multiple-choice question.
Query: Which drug exhibits a 12.636\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a O=C(CCCn1c(=S)[nH]c2cc3c(cc2c1=O)OCO3)N1CCN(C2CCCCC2)CC1
b CNC(=O)c1ccc(-c2ccccc2)s1
c COc1ccc(Br)c(C(=O)NC2CCCC2)c1
d OCCn1c(SCCOc2ccccc2)nc2ccccc21
e COc1cc2c(cc1OC)C1=C(C#N)CCC(=NC(=O)c3ccc(Cl)cc3)N1CC2
Answer: b. CNC(=O)c1ccc(-c2ccccc2)s1
{#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#}
CNC(=O)c1ccc(-c2ccccc2)s1
CNC(=O)c1ccc(-c2ccccc2)s1
N-methyl-5-phenylthiophene-2-carboxamide