Task: Answer the multiple-choice question.
Question: Which compound exhibits a 18.997\% 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 or b without using any other words.
Options:
[a] CCS(=O)(=O)N1CCC(N2CCC(C)CC2)CC1.O=C(O)C(=O)O
[b] CCCn1nc(Oc2nc(NC(C)C)nc(N(C)C)n2)ccc1=O
Answer: b. CCCn1nc(Oc2nc(NC(C)C)nc(N(C)C)n2)ccc1=O
{#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#}
CCCn1nc(Oc2nc(NC(C)C)nc(N(C)C)n2)ccc1=O
CCCn1nc(Oc2nc(NC(C)C)nc(N(C)C)n2)ccc1=O
6-[[4-(dimethylamino)-6-(propan-2-ylamino)-1,3,5-triazin-2-yl]oxy]-2-propylpyridazin-3-one