Task: Answer the multiple-choice question.
Question: Which drug exhibits a -31.991\% 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, d, or e without using any other words.
Options:
a.) CCOC(=O)CCNC(=O)N1CCCC(C(=O)c2cc(C)c(OC)c(C)c2)C1
b.) COc1ccc(Cl)cc1NC(=O)CN1CCN(Cc2ccccc2)CC1
c.) CC(=O)n1c(-c2ccccc2)c(CO)c2ccccc21
d.) CCCCN(C(=O)CC1CCCC1)c1c(N)n(CCC)c(=O)[nH]c1=O
e.) O=C(CCS(=O)(=O)Cc1ccccc1F)NCc1ccccc1Cl
Answer: b. COc1ccc(Cl)cc1NC(=O)CN1CCN(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#}
COc1ccc(Cl)cc1NC(=O)CN1CCN(Cc2ccccc2)CC1
COc1ccc(Cl)cc1NC(=O)CN1CCN(Cc2ccccc2)CC1
2-(4-benzylpiperazin-1-yl)-N-(5-chloro-2-methoxyphenyl)acetamide