Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 2.361\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CCc1nn(CC(=O)NCCN2CCN(C)CC2)c(=O)c2cc3occc3n12
b. Oc1ccc(CCNc2ncnc3ccc(Cl)cc23)cc1
Answer: b. Oc1ccc(CCNc2ncnc3ccc(Cl)cc23)cc1
{#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#}
Oc1ccc(CCNc2ncnc3ccc(Cl)cc23)cc1
Oc1ccc(CCNc2ncnc3ccc(Cl)cc23)cc1
[O][C][=C][C][=C][Branch2][Ring1][Branch1][C][C][N][C][=N][C][=N][C][=C][C][=C][Branch1][C][Cl][C][=C][Ring1][O][Ring1][#Branch1][C][=C][Ring2][Ring1][Ring2]
4-[2-[(6-chloroquinazolin-4-yl)amino]ethyl]phenol