Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 4.550\% human ether-à-go-go related gene (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) CC1N(C)c2cc(NC(=O)c3cccs3)c(P(=O)(Nc3ccc([N+](=O)[O-])cc3)N3CCOCC3)cc2C1(C)C
(b) CC(C)(C)OC(=O)N1CCC[C@H]1C(=O)NCC1CCC(C(=O)O)CC1
(c) O=C(Nc1cccc2ccccc12)c1cnccn1
Answer: c. O=C(Nc1cccc2ccccc12)c1cnccn1
{#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(Nc1cccc2ccccc12)c1cnccn1
O=C(Nc1cccc2ccccc12)c1cnccn1
N-naphthalen-1-ylpyrazine-2-carboxamide