Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CN(C)S(=O)(=O)NCCNC(=O)c1cc(OCC(F)(F)F)ccc1OCC(F)(F)F
(b) Brc1ccc2c(c1)C(OC1CN3CCC1CC3)c1ccccc1CS2.O=C(O)/C=C\C(=O)O
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}