Task: Answer the MCQ question.
Query: Which compound has a 15.518\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: C=CCN1CCN(C(=O)CCc2ccccc2)CC1
b: Cc1ccc(-c2[nH]ncc2CNCCc2cnn(-c3ccccc3)c2)cc1C
c: CCC(=O)Nc1ccc(-c2nnc(SCC(=O)NCC3CCCO3)n2C)cc1
Answer: a. C=CCN1CCN(C(=O)CCc2ccccc2)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#}
C=CCN1CCN(C(=O)CCc2ccccc2)CC1
C=CCN1CCN(C(=O)CCc2ccccc2)CC1
3-phenyl-1-(4-prop-2-enylpiperazin-1-yl)propan-1-one