Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) CCCN(C(=O)Cn1ncc2c(=O)oc3ccccc3c21)c1cccc(C)c1
b.) CCOC(=O)c1cnc2ncnn2c1N
c.) CC1CCCC2(C1)NC(=S)c1c(sc3c1CCCC3)N2
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}