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: Cn1c(=O)nc(NC2CCN(Cc3ccc4ccccc4c3)CC2)c2cc(Cl)ccc21
b: O=C(Nc1ccc(C(F)(F)F)cc1)NS(=O)(=O)c1ccc(OCCN2CCCCC2)cc1
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}
6-chloro-1-methyl-4-[[1-(naphthalen-2-ylmethyl)piperidin-4-yl]amino]quinazolin-2-one