Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 0.229\% 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 other words.
Options:
[a] CC1(C)Cc2c(cnn2-c2cccc(F)c2)C(NC(=O)CCN2CCCC2=O)C1
[b] CC(C)N(C)Cc1nnnn1CC(=O)NCc1cc(F)cc(C(F)(F)F)c1
[c] S=c1[nH]cnc2scc(-c3ccc(Br)cc3)c12
[d] O=C(CN1C(=O)NC2(CCCC2)C1=O)c1ccc(Cl)s1
[e] COc1ccc(C)cc1NC(=O)CCC(=O)Nc1ccc2nc(N3CCN(C)CC3)cc(C)c2c1
Answer: c. S=c1[nH]cnc2scc(-c3ccc(Br)cc3)c12
{#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#}
S=c1[nH]cnc2scc(-c3ccc(Br)cc3)c12
S=c1[nH]cnc2scc(-c3ccc(Br)cc3)c12
5-(4-bromophenyl)-3H-thieno[2,3-d]pyrimidine-4-thione