Problem statement: Answer the multiple-choice question.
Query: Which compound has a 0.394\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COc1ccccc1CCNC(=O)Cn1ccc2cc(S(=O)(=O)N3CCC(C)CC3)ccc21
[b] CC(c1nc2ccccc2c(=O)[nH]1)N1CCN(C)CC1
Answer: b. CC(c1nc2ccccc2c(=O)[nH]1)N1CCN(C)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#}
CC(c1nc2ccccc2c(=O)[nH]1)N1CCN(C)CC1
CC(c1nc2ccccc2c(=O)[nH]1)N1CCN(C)CC1
2-[1-(4-methylpiperazin-1-yl)ethyl]-3H-quinazolin-4-one