Task: Answer the MCQ question.
Question: Which compound exhibits a 2.575\% 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] COc1cc2[nH]c3c(OC)ncnc3c2cc1OC
[b] CCN(C(=O)CN1CCN(c2ccc(OC)cc2)CC1)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
[c] Cc1ccc(C(=O)/C=C/c2ccc(-c3ccccc3[N+](=O)[O-])o2)cc1
[d] COc1cc(N(C)C)c([N+](=O)[O-])cc1C(=O)NC(C)CNc1ccc([N+](=O)[O-])cc1Cl
Answer: b. CCN(C(=O)CN1CCN(c2ccc(OC)cc2)CC1)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
{#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(C(=O)CN1CCN(c2ccc(OC)cc2)CC1)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
CCN(C(=O)CN1CCN(c2ccc(OC)cc2)CC1)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
N-(6-amino-1-benzyl-2,4-dioxopyrimidin-5-yl)-N-ethyl-2-[4-(4-methoxyphenyl)piperazin-1-yl]acetamide