Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. N#Cc1nc(CCCO)cc(-c2cccc(C(F)(F)F)c2)n1
b. C[C@@H](Oc1ccc2[nH]nc(C=Cc3cnn(CCO)c3)c2c1)c1c(Cl)cncc1Cl
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
4-(3-hydroxypropyl)-6-[3-(trifluoromethyl)phenyl]pyrimidine-2-carbonitrile