Problem statement: Answer the MCQ question.
Query: Which compound has a 6.368\% 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 other words.
Options:
(a) CC1CCN(c2nnc(-c3ccccc3)c3ccccc23)CC1
(b) COC(=O)c1ccc(-c2ncc(-c3cccc4ccccc34)o2)cc1
(c) COc1ccccc1NC(=O)CSc1nnc(Cc2cccn2C)n1CCc1ccccc1
(d) Cc1ccc(S(=O)(=O)N2CCN(C(=O)N(C)C)CC2)cc1C
Answer: a. CC1CCN(c2nnc(-c3ccccc3)c3ccccc23)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#}
CC1CCN(c2nnc(-c3ccccc3)c3ccccc23)CC1
CC1CCN(c2nnc(-c3ccccc3)c3ccccc23)CC1
1-(4-methylpiperidin-1-yl)-4-phenylphthalazine