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 additional words.
Options:
a. COc1cc(Nc2nn3c(N[C@@H](CO)C(C)C)cc(C4CC4)nc3c2C(N)=O)cc(OC)c1
b. N#Cc1cc(F)c(Cl)cc1O[C@H](CCN)c1ccccc1
Answer: 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}
2-[(1R)-3-amino-1-phenylpropoxy]-4-chloro-5-fluorobenzonitrile