Task: Answer the MCQ question.
Question: Which drug exhibits a -3.191\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) C=CCNc1nc(Nc2ccc(Cl)cc2)nc(OC)n1
b) O=C1[C@H]2[C@H](C=CC[C@H]2C(=O)N2CCOCC2)CCN1Cc1ccc(Cl)c(Cl)c1
Answer: a. C=CCNc1nc(Nc2ccc(Cl)cc2)nc(OC)n1
{#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#}
C=CCNc1nc(Nc2ccc(Cl)cc2)nc(OC)n1
C=CCNc1nc(Nc2ccc(Cl)cc2)nc(OC)n1
2-N-(4-chlorophenyl)-6-methoxy-4-N-prop-2-enyl-1,3,5-triazine-2,4-diamine