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 additional words.
Options:
a: CN1CCN(CCc2ccc3c(c2)Cc2c-3n[nH]c2-c2csc(C#CCOc3ccccc3)c2)CC1
b: O=C(NCc1ccc(F)cc1)N(c1ccc(Cl)cc1)C1CCN(Cc2ccnnc2)CC1
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}
1-(4-chlorophenyl)-3-[(4-fluorophenyl)methyl]-1-[1-(pyridazin-4-ylmethyl)piperidin-4-yl]urea