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, b, or c without using any additional words.
Options:
a: O=C1c2ccccc2C(Nc2ccc(F)c(Cl)c2)N1c1ccccn1
b: O=C(COc1ccc(-c2ccccc2)cc1)N1CCN(C(=O)c2cccnc2)CC1
c: CCc1cccc(NC(=O)NC2CCCCC2)c1
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}