Task: Answer the multiple-choice question.
Query: Which drug exhibits a -19.479% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CN(c1ccccc1)c1nc(N2CCCC2)nc(-n2ccnc2)n1
(b) CCN(Cc1nc2cc(Cl)ccc2c(=O)[nH]1)C(=O)c1nn(C)c(=O)c2ccccc12
(c) CCOC(=O)N1CCC(NC(=O)CS(=O)(=O)Cc2nc(-c3ccc(OC)cc3)oc2C)CC1
(d) COC(=O)c1ccc(NC(=O)CSc2nn3c(=O)c(C)nnc3s2)cc1
Answer: a. CN(c1ccccc1)c1nc(N2CCCC2)nc(-n2ccnc2)n1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CN(c1ccccc1)c1nc(N2CCCC2)nc(-n2ccnc2)n1
CN(c1ccccc1)c1nc(N2CCCC2)nc(-n2ccnc2)n1
4-imidazol-1-yl-N-methyl-N-phenyl-6-pyrrolidin-1-yl-1,3,5-triazin-2-amine