Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CNC[C@@H](O)CCN1c2ccccc2N(c2cc(F)ccc2F)S1(=O)=O
b COc1cc(C)c2nccc(CCC34CCC(NCc5ccc6c(n5)NC(=O)CO6)(CC3)CO4)c2n1
Answer: a
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}
(2S)-4-[3-(2,5-difluorophenyl)-2,2-dioxo-2λ6,1,3-benzothiadiazol-1-yl]-1-(methylamino)butan-2-ol