Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 4.049\% 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 other words.
Options:
(a) CN1CCN(CC(=O)Nc2nnc(-c3cccs3)s2)CC1
(b) CCCn1c(N)c(C(=O)CN(C)CC(=O)Nc2ccccc2CC)c(=O)[nH]c1=O
(c) COc1ccc(N(CCC(=O)O)S(=O)(=O)c2ccc(C)cc2C)cc1
(d) O=C(NCCc1ccc(Cl)cc1Cl)c1cccnc1
Answer: a. CN1CCN(CC(=O)Nc2nnc(-c3cccs3)s2)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(CC(=O)Nc2nnc(-c3cccs3)s2)CC1
CN1CCN(CC(=O)Nc2nnc(-c3cccs3)s2)CC1
2-(4-methylpiperazin-1-yl)-N-(5-thiophen-2-yl-1,3,4-thiadiazol-2-yl)acetamide