Task: Answer the MCQ question.
Question: Which drug exhibits a -12.927\% 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 additional words.
Options:
a) COc1ccc(CCN2C(=O)CC(NNc3ccc([N+](=O)[O-])cc3)C2=O)cc1OC
b) CC(C)CCNC(=O)CN(CCCN1CCOCC1)C(=O)Cn1nnc(-c2ccc(F)cc2)n1
c) COC(=O)c1cc(NC(=O)CN2C(=O)CSC2=O)ccc1Cl
d) CCOC(=O)C1CCN(C(=O)c2n[nH]c(=O)c3ccccc23)CC1
Answer: a. COc1ccc(CCN2C(=O)CC(NNc3ccc([N+](=O)[O-])cc3)C2=O)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(CCN2C(=O)CC(NNc3ccc([N+](=O)[O-])cc3)C2=O)cc1OC
COc1ccc(CCN2C(=O)CC(NNc3ccc([N+](=O)[O-])cc3)C2=O)cc1OC
1-[2-(3,4-dimethoxyphenyl)ethyl]-3-[2-(4-nitrophenyl)hydrazinyl]pyrrolidine-2,5-dione