Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a NC(=O)c1ccc(NC(=O)c2cc(S(=O)(=O)N3CCCCC3)ccc2N2CCOCC2)cc1
b COc1cc2c(cc1OC)C(c1cc3cc4c(cc3[nH]c1=O)OCO4)N(C(=O)C1CC1)CC2
Answer: a, b
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}