Task: Answer the MCQ question.
Question: Which compound exhibits a 5.943\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) O=C(Nc1ccccc1)Nc1ccccc1C(=O)NCc1ccco1
(b) O=C(Nc1ccccc1)Nc1ccc2ocnc2c1
(c) CC(C)c1nnc(NC(=O)CCC(=O)NC2CCCCCC2)s1
(d) O=C1C=C(c2ccc(-c3ccccc3)cc2)C[C@@H](c2ccc(Cl)cc2)C1
(e) CCCCC(=O)Nc1ccc(C(=O)NCCc2ccc(S(N)(=O)=O)cc2)cc1
Answer: b. O=C(Nc1ccccc1)Nc1ccc2ocnc2c1
{#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#}
O=C(Nc1ccccc1)Nc1ccc2ocnc2c1
O=C(Nc1ccccc1)Nc1ccc2ocnc2c1
1-(1,3-benzoxazol-5-yl)-3-phenylurea