Task: Answer the MCQ question.
Question: Which compound exhibits a 2.650\% 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(C(=O)NCCN2CCOCC2)cc1OC
b COc1ccccc1CN1CCCC(CN(CCN(C)C)C(=O)c2ccc(C)cc2)C1
c CCn1cc(/C=C/c2cc[n+](C)cc2)c2ccccc21.[I-]
d Cc1nc(C(=O)NNC(=O)c2ccc(Cl)cc2)c(C(F)(F)F)o1
Answer: a. COc1ccc(C(=O)NCCN2CCOCC2)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(C(=O)NCCN2CCOCC2)cc1OC
COc1ccc(C(=O)NCCN2CCOCC2)cc1OC
3,4-dimethoxy-N-(2-morpholin-4-ylethyl)benzamide