Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 17.496\% 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. CC1=CC2=NC(=O)/C(=C\c3cccn3CCOc3cc(C)cc(C)c3)C(=N)N2O1
b. O=c1c(Cl)c2oc3ccccc3nc-2c2ccccc12
c. COc1ccc(OC)c(S(=O)(=O)N(C)CC(=O)Nc2cc(Cl)ccc2OC)c1
Answer: b. O=c1c(Cl)c2oc3ccccc3nc-2c2ccccc12
{#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=c1c(Cl)c2oc3ccccc3nc-2c2ccccc12
O=c1c(Cl)c2oc3ccccc3nc-2c2ccccc12
6-chlorobenzo[a]phenoxazin-5-one