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, b, or c without using any other words.
Options:
a) CN(C)C(=O)[C@@H](C1CCC(c2ccc3ncnn3c2)CC1)[C@H](N)C(=O)N1CCC(F)(F)C1
b) CCC(=O)N(c1ccccc1)C1CCN(CCc2ccccc2)CC1
c) O=C(N[C@@H](COc1ccc2[nH]c(=O)[nH]c2c1)c1ccccc1)c1cccn(Cc2ccc(F)c(F)c2)c1=O
Answer: 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}
N-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]propanamide