Task: Please answer the multiple choice question.
Question: Which molecules are not 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 other words.
Options:
a.) CCOC(=O)C1C(=O)NC(SCC(=O)OC)=C(C#N)C1c1ccccc1OCC
b.) CCCCCC(=O)N1CCN(CCN=CC2=C(O)CC(c3ccco3)CC2=O)CC1
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}