Problem statement: Answer the MCQ question.
Query: Which compound has a 4.363\% 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) O=C(Cn1nc(Cc2ccncc2)c2ccccc2c1=O)Nc1cccnc1Cl
b) O=C(c1ccccc1)c1cc([N+](=O)[O-])ccc1N1CCOCC1
c) Cc1ccc(CNc2nc3ccccc3n2C)o1
d) COc1cccc(/C=C2/SC(=S)N(CC(=O)NNC(=O)c3ccccc3O)C2=O)c1
Answer: a. O=C(Cn1nc(Cc2ccncc2)c2ccccc2c1=O)Nc1cccnc1Cl
{#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(Cn1nc(Cc2ccncc2)c2ccccc2c1=O)Nc1cccnc1Cl
O=C(Cn1nc(Cc2ccncc2)c2ccccc2c1=O)Nc1cccnc1Cl
N-(2-chloropyridin-3-yl)-2-[1-oxo-4-(pyridin-4-ylmethyl)phthalazin-2-yl]acetamide