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, c, or d without using any additional words.
Options:
(a) CCN(CC)Cc1c(C(=O)N/N=C/c2ccncc2)nnn1-c1nonc1N
(b) COc1ccc(C2(C(=O)N3CCOCC3)CCCC2)cc1
(c) O=C(Nc1nccs1)c1cccc(N2C(=O)C3C4C=CC(C4)C3C2=O)c1
(d) O=C(O)c1ccc(-n2cc(C(=O)c3ccccc3O)cn2)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}