Task: Answer the multiple-choice question.
Query: Which drug has a -25.738\% human ether-à-go-go related gene (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) c1ccc2c(c1)ncn2CCn1cnc2ccccc21
(b) COc1ccc(CCNC(=O)c2ccc(N3CCCC3=O)cc2)cc1OC
(c) Cc1ccccc1N1CCN(C2=NC(=O)/C(=C/c3cn[nH]c3-c3ccccc3)S2)CC1
(d) CC(=O)N/C(=C\c1ccccc1)C(=O)OCC(=O)NC1CCCC1
Answer: a. c1ccc2c(c1)ncn2CCn1cnc2ccccc21
{#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#}
c1ccc2c(c1)ncn2CCn1cnc2ccccc21
c1ccc2c(c1)ncn2CCn1cnc2ccccc21
1-[2-(benzimidazol-1-yl)ethyl]benzimidazole