Task: Answer the MCQ question.
Query: Which drug exhibits a 0.874\% 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, or d without using any additional words.
Options:
a Cc1onc(-c2ccccc2)c1C(=O)c1c[nH]c(C(=O)NCc2ccccn2)c1
b COc1ccccc1CCC(=O)NNC(=O)c1ccncc1
c N#Cc1c(SCc2cccc(Cl)c2)sc(C(=O)c2ccccc2)c1N
d CN1CCN(c2ccc(-c3cccc(NC(=O)COc4ccc(Cl)cc4)c3)nn2)CC1
Answer: d. CN1CCN(c2ccc(-c3cccc(NC(=O)COc4ccc(Cl)cc4)c3)nn2)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#}
CN1CCN(c2ccc(-c3cccc(NC(=O)COc4ccc(Cl)cc4)c3)nn2)CC1
CN1CCN(c2ccc(-c3cccc(NC(=O)COc4ccc(Cl)cc4)c3)nn2)CC1
2-(4-chlorophenoxy)-N-[3-[6-(4-methylpiperazin-1-yl)pyridazin-3-yl]phenyl]acetamide