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) COc1ccccc1[C@@H](C)N[C@@H]1CC[C@@H](C(=O)N2CCC(C(=O)N3CCCC3)(c3ccccc3)CC2)C(C)(C)C1
b) O=c1c2ccccc2nc(-c2ccc(OCCCN3CCCCC3)cc2)n1-c1ccccc1
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}
3-phenyl-2-[4-(3-piperidin-1-ylpropoxy)phenyl]quinazolin-4-one