Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] CCOc1ccccc1NC(=O)C(NCC1(N2CCCCC2)CCCCC1)c1ccccc1.O=C(O)C(=O)O
[b] CC1(C)Cc2c(cnn2-c2cccc(F)c2)C(NC(=O)Cn2cccn2)C1
[c] O=C(Nc1ccon1)c1sc2cc(F)ccc2c1Cl
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}