Task: Answer the MCQ question.
Query: Which drug exhibits a 24.221\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] COc1ccccc1N1CCN(C2CC(=O)N(C)C2=O)CC1
[b] Cl.O=C(CSC1=NCCN1)NC12CC3CC(CC(C3)C1)C2
[c] C/C(=N\O)c1ccc(Cl)cc1Cl
[d] COc1cccc(N=Cc2c(O)c3ccccc3oc2=O)c1
Answer: d. COc1cccc(N=Cc2c(O)c3ccccc3oc2=O)c1
{#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#}
COc1cccc(N=Cc2c(O)c3ccccc3oc2=O)c1
COc1cccc(N=Cc2c(O)c3ccccc3oc2=O)c1
4-hydroxy-3-[(3-methoxyphenyl)iminomethyl]chromen-2-one