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 additional words.
Options:
a) CCC(C)c1ccc(NC(=S)NC2CCN(Cc3ccccc3)CC2)cc1
b) COc1ccc(Cc2nnc(SC(C)C(=O)Nc3ccc(C(N)=O)cc3)o2)cc1
c) C=CCNC(=O)c1cc(Cl)ccn1
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}