Problem statement: Answer the MCQ question.
Question: Which compound has a 1.756\% human ether-à-go-go related gene (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 other words.
Options:
a COC(=O)[C@H](C)NC(=O)Nc1cc(OC)ccc1OC
b O=C(Nc1ccncc1)c1ccc(C(=O)Nc2ccncc2)cc1
c COc1ccc(CNC(=O)Cn2cc3c(n2)CCCCC3)cc1
d C[n+]1cnc(-c2ccccc2)cc1-c1ccccc1.[I-]
Answer: a. COC(=O)[C@H](C)NC(=O)Nc1cc(OC)ccc1OC
{#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#}
COC(=O)[C@H](C)NC(=O)Nc1cc(OC)ccc1OC
COC(=O)[C@H](C)NC(=O)Nc1cc(OC)ccc1OC
methyl (2S)-2-[(2,5-dimethoxyphenyl)carbamoylamino]propanoate