Task: Answer the MCQ question.
Query: Which drug exhibits a 11.178\% 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: S=c1nc2ccccc2c2nc(-c3ccccc3Cl)[nH]n12
b: O=C(CN1C(=O)NC2(CCCC2)C1=O)OCCOc1cccc(Br)c1
c: CCCCP(=O)(CCCC)Cc1ccccc1O
Answer: a. S=c1nc2ccccc2c2nc(-c3ccccc3Cl)[nH]n12
{#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#}
S=c1nc2ccccc2c2nc(-c3ccccc3Cl)[nH]n12
S=c1nc2ccccc2c2nc(-c3ccccc3Cl)[nH]n12
2-(2-chlorophenyl)-3H-[1,2,4]triazolo[1,5-c]quinazoline-5-thione