Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COCCn1c(SCC(=O)Nc2ccc3c(c2)CCC3)nc2ccccc2c1=O
b: O=C(OCC(=O)N1CCN(C(=O)c2ccco2)CC1)c1cc(-c2ccccc2)nc2ccccc12
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}