Task: Answer the MCQ question.
Query: Which drug exhibits a 13.111\% 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 additional words.
Options:
[a] O=C(CN(c1ccccc1)S(=O)(=O)c1ccccc1[N+](=O)[O-])Nc1ccccc1C(=O)N1CCOCC1
[b] CC(=O)c1c(C)[nH]c(C(=O)CN2CCN(S(=O)(=O)c3ccccc3)CC2)c1C
[c] Cc1ccc(Cn2ncc3c(NCCCN(C)C)ncnc32)cc1
[d] OC(c1ccccn1)C1CCN(Cc2nc(C(c3ccccc3)c3ccccc3)no2)CC1
Answer: b. CC(=O)c1c(C)[nH]c(C(=O)CN2CCN(S(=O)(=O)c3ccccc3)CC2)c1C
{#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#}
CC(=O)c1c(C)[nH]c(C(=O)CN2CCN(S(=O)(=O)c3ccccc3)CC2)c1C
CC(=O)c1c(C)[nH]c(C(=O)CN2CCN(S(=O)(=O)c3ccccc3)CC2)c1C
1-(4-acetyl-3,5-dimethyl-1H-pyrrol-2-yl)-2-[4-(benzenesulfonyl)piperazin-1-yl]ethanone