Task: Answer the MCQ question.
Query: Which drug exhibits a -2.392\% 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: CCN(CC)CCNC(=O)c1ccc(Cl)c(S(=O)(=O)Nc2ccccc2OC)c1
b: COC(=O)[C@H](Cc1ccccc1)NC(=O)N1CCN(Cc2ccccc2)CC1
c: CCOC(=O)C1(CCc2ccccc2)CCN(Cc2cccc3nccnc23)CC1
d: CCCCNC(=O)N1CCN(c2ccccc2OC)CC1
Answer: b. COC(=O)[C@H](Cc1ccccc1)NC(=O)N1CCN(Cc2ccccc2)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#}
COC(=O)[C@H](Cc1ccccc1)NC(=O)N1CCN(Cc2ccccc2)CC1
COC(=O)[C@H](Cc1ccccc1)NC(=O)N1CCN(Cc2ccccc2)CC1
methyl (2S)-2-[(4-benzylpiperazine-1-carbonyl)amino]-3-phenylpropanoate