Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 19.690\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CC1CCN(S(=O)(=O)c2ccc(NC(=O)Cn3nnc(-c4ccccc4F)n3)cc2)CC1
[b] O=c1[nH]cnc2scc(-c3ccc(-c4ccccc4)cc3)c12
Answer: b. O=c1[nH]cnc2scc(-c3ccc(-c4ccccc4)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#}
O=c1[nH]cnc2scc(-c3ccc(-c4ccccc4)cc3)c12
O=c1[nH]cnc2scc(-c3ccc(-c4ccccc4)cc3)c12
[O][=C][NH1][C][=N][C][S][C][=C][Branch2][Ring1][Ring1][C][=C][C][=C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][Ring1][N][C][Ring2][Ring1][Branch1][=Ring1][P]
5-(4-phenylphenyl)-3H-thieno[2,3-d]pyrimidin-4-one