Problem statement: Answer the MCQ question.
Query: Which drug has a 2.504\% 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] Cc1nc2ccc(S(=O)(=O)Nc3ccc(-c4nc5cccnc5s4)cc3)cc2s1
[b] COc1ccc(CCNC(=O)c2c(C)nn(-c3ccccc3)c2Cl)cc1
[c] C=CCNc1nc(NC(C)(C)CO)nc(OC)n1
[d] O=c1cc(N2CCCCC2)c2ccccc2o1
Answer: d. O=c1cc(N2CCCCC2)c2ccccc2o1
{#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=c1cc(N2CCCCC2)c2ccccc2o1
O=c1cc(N2CCCCC2)c2ccccc2o1
4-piperidin-1-ylchromen-2-one