Task: Answer the multiple-choice question.
Question: Which drug exhibits a -19.898% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=C(c1ccco1)N1CCCN(Cc2cn[nH]c2-c2ccc(-c3ccccc3)cc2)CC1
b. CCNc1nc(NC(C)C)nc(N(C#N)C(C)C(=O)N(CC)CC)n1
Answer: b. CCNc1nc(NC(C)C)nc(N(C#N)C(C)C(=O)N(CC)CC)n1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCNc1nc(NC(C)C)nc(N(C#N)C(C)C(=O)N(CC)CC)n1
CCNc1nc(NC(C)C)nc(N(C#N)C(C)C(=O)N(CC)CC)n1
2-[cyano-[4-(ethylamino)-6-(propan-2-ylamino)-1,3,5-triazin-2-yl]amino]-N,N-diethylpropanamide