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] CN1CCN(Cc2ccc3cc(-n4cnc5cc(-c6ccc(Cl)cc6)sc5c4=O)ccc3n2)CC1
[b] CC(C)(Cc1ccccc1)NC1=NCCNC(c2ccccc2F)=C1
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-(4-chlorophenyl)-3-[2-[(4-methylpiperazin-1-yl)methyl]quinolin-6-yl]thieno[3,2-d]pyrimidin-4-one