Task: Answer the MCQ question.
Question: Which drug exhibits a 19.795\% 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 or b without using any other words.
Options:
a. CC(C)(C)c1nc2c(s1)CCc1onc(-c3ccc(Cl)cc3)c1-2
b. O=C(NC1CCCC1)C1CC(=O)N(c2ccccc2)C1
Answer: b. O=C(NC1CCCC1)C1CC(=O)N(c2ccccc2)C1
{#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#}
O=C(NC1CCCC1)C1CC(=O)N(c2ccccc2)C1
O=C(NC1CCCC1)C1CC(=O)N(c2ccccc2)C1
N-cyclopentyl-5-oxo-1-phenylpyrrolidine-3-carboxamide