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 additional words.
Options:
a) O=C(NCc1ccccc1)N(c1ccc(Br)cc1)C1CCN(Cc2ccnnc2)CC1
b) C[C@@H]1CN(c2nnc(C(F)(F)F)o2)CCN1c1ncc(OCc2ccc(C#N)cc2C#N)cn1
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}
3-benzyl-1-(4-bromophenyl)-1-[1-(pyridazin-4-ylmethyl)piperidin-4-yl]urea