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 other words.
Options:
a: CC(NC(=O)c1cc2c(=O)n3ccccc3nc2n(CC2CCCO2)c1=N)c1ccccc1
b: CC(C)C(C)NC(=O)COc1ccc(Sc2ccc(OCC(=O)NC(C)C(C)C)cc2)cc1
c: O=C1CCC(C(=O)N2CCCC2)CN1CCc1cccc(F)c1
Answer: a
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}