Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CC(C)N(C(=O)CSc1nnc(NC(=O)c2cccs2)s1)C(C)C
b) CC(C)c1ccc(S(=O)(=O)N2CCN(C(=O)C3CCN(C(=O)c4ccc(F)cc4)CC3)CC2)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}