Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 4.550\% 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 additional words.
Options:
[a] COc1ccc(CCN(C(=O)c2ccc(F)cc2)C2=CC3CCC(C2)N3C)cc1OC.Cl
[b] COc1ccc2[nH]c(=O)c(CNc3ccccc3OC)cc2c1
[c] CCCn1c(NC(=O)C2CCN(S(=O)(=O)c3cccs3)CC2)nc2ccccc21
[d] Cc1ccc(NC(=O)C2CCN(S(=O)(=O)c3cccc(C(F)(F)F)c3)CC2)nc1
Answer: b. COc1ccc2[nH]c(=O)c(CNc3ccccc3OC)cc2c1
{#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#}
COc1ccc2[nH]c(=O)c(CNc3ccccc3OC)cc2c1
COc1ccc2[nH]c(=O)c(CNc3ccccc3OC)cc2c1
6-methoxy-3-[(2-methoxyanilino)methyl]-1H-quinolin-2-one