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 additional words.
Options:
a: O=C(NCc1ccccc1)N(c1ccc(Br)cc1)C1CCN(C2CCCC2)CC1
b: O=C(NCc1ccc(OC(F)(F)F)cc1)C1c2ccccc2C(=O)N1Cc1ccc(C(F)(F)F)cn1
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}
3-benzyl-1-(4-bromophenyl)-1-(1-cyclopentylpiperidin-4-yl)urea