Task: Answer the MCQ question.
Question: Which drug exhibits a 17.975\% 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. CN(C)c1nc2c(c(=O)[nH]c(=O)n2C)n1CCOc1ccccc1
b. CCC(=O)Nc1ccc2c(c1)ncn2C
c. CC(C)CNC(=O)c1cc([N+](=O)[O-])ccc1N1CCOCC1
d. COc1cccc(C(C(=O)NC(C)(C)C)N(Cc2ccc(F)cc2)C(=O)CCC(=O)Nc2cc(C)on2)c1OC
Answer: b. CCC(=O)Nc1ccc2c(c1)ncn2C
{#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#}
CCC(=O)Nc1ccc2c(c1)ncn2C
CCC(=O)Nc1ccc2c(c1)ncn2C
N-(1-methylbenzimidazol-5-yl)propanamide