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. CN1CCC(NC(=O)c2ccc(Oc3ccc(C#C[C@]4(O)CN5CCC4CC5)cc3)cc2)CC1
b. CNc1ccc(/C=C/c2c(F)cccc2Cl)cc1
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-[(E)-2-(2-chloro-6-fluorophenyl)ethenyl]-N-methylaniline