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.) CCCNS(=O)(=O)c1ccc(OCC(=O)N2CCN(Cc3ccc4c(c3)OCO4)CC2)c(C)c1
b.) O=c1[nH]c2ccccc2s1
c.) CCc1c(C)nc2[nH]nc(NC(=O)C(F)(F)F)n2c1=O
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}