Task: Answer the multiple-choice question.
Question: Which drug exhibits a 2.274\% 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, or c without using any additional words.
Options:
[a] CN1CCCN(C(=O)c2cc3c(s2)CCCC3)CC1
[b] COc1ccccc1C1(O)CCN(CC(=O)Nc2nc(-c3ccccc3)cs2)CC1
[c] CCc1nnc(NC(=O)C2=CCN(S(=O)(=O)c3ccc(F)cc3)CC2)s1
Answer: a. CN1CCCN(C(=O)c2cc3c(s2)CCCC3)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#}
CN1CCCN(C(=O)c2cc3c(s2)CCCC3)CC1
CN1CCCN(C(=O)c2cc3c(s2)CCCC3)CC1
(4-methyl-1,4-diazepan-1-yl)-(4,5,6,7-tetrahydro-1-benzothiophen-2-yl)methanone