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: c1ccc(C(Cc2ccccc2OCC2CC2)N2CCNCC2)cc1
b: C[NH+]1CCCC[C@@H]1CCN1c2ccccc2Sc2ccc([S+](C)[O-])cc21
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}
1-[2-[2-(cyclopropylmethoxy)phenyl]-1-phenylethyl]piperazine