Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 2.931\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) CCOC(=O)C1CCCN(C(=O)c2ccc(C(=O)c3ccccc3)cc2)C1
(b) O=C(CC1CCCC1)Nc1ccc2c(c1)CCC2
(c) O=c1ccn(CCOc2ccc(Cl)cc2)c(=O)[nH]1
(d) CCn1c(/C=C/N(C(C)=O)c2ccccc2)[n+](CCCS(=O)(=O)[O-])c2cc(Cl)c(Cl)cc21
(e) Brc1ccc(-c2ccccc2)cc1
Answer: b. O=C(CC1CCCC1)Nc1ccc2c(c1)CCC2
{#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#}
O=C(CC1CCCC1)Nc1ccc2c(c1)CCC2
O=C(CC1CCCC1)Nc1ccc2c(c1)CCC2
2-cyclopentyl-N-(2,3-dihydro-1H-inden-5-yl)acetamide