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 other words.
Options:
(a) c1ccc(CCN2CCC(c3c(-c4ccccc4)[nH]c4ccccc34)CC2)cc1
(b) Cc1c(CNC2CCCC2)nn(-c2ncccc2Cl)c1-c1ccc(Cl)nc1
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}
2-phenyl-3-[1-(2-phenylethyl)piperidin-4-yl]-1H-indole