Task: Answer the MCQ question.
Question: Which drug has a -0.742\% human ether-à-go-go related gene (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) COc1ccc(C2c3ccc(O)cc3Oc3ncn(Cc4ccccc4)c(=N)c32)cc1OC
b) CCOC(=O)c1c(C)n(-c2ccc(C)cc2)c2c(C(C(C)=O)C(=O)O)c(Br)c(O)c(O)c12
c) O=C(C1CCN(S(=O)(=O)c2cccs2)CC1)N(c1ccccn1)C1CCCCC1
d) COc1ccc(F)cc1Cn1nc(C(=O)O)c2ccccc2c1=O
Answer: a. COc1ccc(C2c3ccc(O)cc3Oc3ncn(Cc4ccccc4)c(=N)c32)cc1OC
{#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#}
COc1ccc(C2c3ccc(O)cc3Oc3ncn(Cc4ccccc4)c(=N)c32)cc1OC
COc1ccc(C2c3ccc(O)cc3Oc3ncn(Cc4ccccc4)c(=N)c32)cc1OC
3-benzyl-5-(3,4-dimethoxyphenyl)-4-imino-5H-chromeno[2,3-d]pyrimidin-8-ol