Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. O=C(CSc1nc2ccc([N+](=O)[O-])cc2s1)NCC1CCCO1
b. COC(=O)C1CCN(C(=O)c2ccc3nccnc3c2)CC1
c. Cc1cc(N2CCOCC2)nc2ccc(NC(=O)CCC(=O)N3CCCC(C)C3)cc12
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}