Task: Answer the multiple choice question.
Query: Which drug exhibits a 2.206\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] c1ccc(-c2c3ccccc3nc3[nH]c4ccccc4c23)cc1
[b] CCN1CCN(c2cc(C)c3cc(NC(=S)N4CCCC4)ccc3n2)CC1
[c] CN1CCN(NC(=O)c2cccc(F)c2)CC1
[d] CN1C(=O)c2cccc3c(S(=O)(=O)N4CCCC4C(=O)O)ccc1c23
Answer: b. CCN1CCN(c2cc(C)c3cc(NC(=S)N4CCCC4)ccc3n2)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#}
CCN1CCN(c2cc(C)c3cc(NC(=S)N4CCCC4)ccc3n2)CC1
CCN1CCN(c2cc(C)c3cc(NC(=S)N4CCCC4)ccc3n2)CC1
N-[2-(4-ethylpiperazin-1-yl)-4-methylquinolin-6-yl]pyrrolidine-1-carbothioamide