Task: Answer the multiple-choice question.
Question: Which drug exhibits a 18.169\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a CC(=O)CSc1nnc2c3ccccc3nc(C(C)(C)C)n12
b CN1CCN(S(=O)(=O)c2ccc(NC(=O)c3ccc(F)cc3Cl)cc2)CC1
c CCn1c(SCC(=O)NCC(=O)Nc2ccc(F)cc2)nnc1-c1ccncc1
Answer: b. CN1CCN(S(=O)(=O)c2ccc(NC(=O)c3ccc(F)cc3Cl)cc2)CC1
{#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#}
CN1CCN(S(=O)(=O)c2ccc(NC(=O)c3ccc(F)cc3Cl)cc2)CC1
CN1CCN(S(=O)(=O)c2ccc(NC(=O)c3ccc(F)cc3Cl)cc2)CC1
2-chloro-4-fluoro-N-[4-(4-methylpiperazin-1-yl)sulfonylphenyl]benzamide