Task: Answer the MCQ question.
Question: Which compound has a 18.078\% 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 additional words.
Options:
(a) CCOc1ccc(S(=O)(=O)N2CCN(C(=O)CCOc3ccccc3C)CC2)cc1
(b) NS(=O)(=O)c1ccc(NC(=O)N2c3ccccc3Sc3ccccc32)cc1
(c) COc1ccc2oc(=Nc3ccccc3)c(-c3nc4ccccc4[nH]3)cc2c1
Answer: c. COc1ccc2oc(=Nc3ccccc3)c(-c3nc4ccccc4[nH]3)cc2c1
{#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#}
COc1ccc2oc(=Nc3ccccc3)c(-c3nc4ccccc4[nH]3)cc2c1
COc1ccc2oc(=Nc3ccccc3)c(-c3nc4ccccc4[nH]3)cc2c1
3-(1H-benzimidazol-2-yl)-6-methoxy-N-phenylchromen-2-imine