Task: Answer the multiple-choice question.
Query: Which compound exhibits a -4.090\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. COC(=O)[C@H](CCCCN)n1cc(-c2cc(C(=O)N3CCNCC3)cc(-c3cn([C@@H](Cc4c[nH]c5ccccc45)C(=O)OC)nn3)c2)nn1.Cl
b. O=C(Nc1ccccc1)c1ccc(N2CCN(c3ccccc3)CC2)c(S(=O)(=O)N2CCOCC2)c1
c. CC(=O)Nc1ccccc1C(=O)OCC(=O)c1ccccc1Cl
Answer: b. O=C(Nc1ccccc1)c1ccc(N2CCN(c3ccccc3)CC2)c(S(=O)(=O)N2CCOCC2)c1
{#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=C(Nc1ccccc1)c1ccc(N2CCN(c3ccccc3)CC2)c(S(=O)(=O)N2CCOCC2)c1
O=C(Nc1ccccc1)c1ccc(N2CCN(c3ccccc3)CC2)c(S(=O)(=O)N2CCOCC2)c1
3-morpholin-4-ylsulfonyl-N-phenyl-4-(4-phenylpiperazin-1-yl)benzamide