Task: Please answer the multiple choice question.
Question: Which molecules are 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: CN(Cc1ccc(C(F)(F)F)nc1)c1cc(C(=O)Nc2ccccc2)ncn1
b: C[C@@]1(c2cc(CNC3(C(F)(F)F)CC3)c(F)cc2F)CCSC(N)=N1
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}
6-[methyl-[[6-(trifluoromethyl)pyridin-3-yl]methyl]amino]-N-phenylpyrimidine-4-carboxamide