Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] Cc1ccc(NC(=O)CN2CCN(CCN=CC3=C(O)CC(c4ccccc4)CC3=O)CC2)cc1
[b] COc1cccc(-c2nnc(SCC(=O)N3CCOCC3)o2)c1
[c] Cc1ccc(Cn2nnc3c(=O)[nH]c(C4CCN(S(=O)(=O)c5ccc(C)cc5)CC4)nc32)cc1
[d] O=C(Nc1cccnc1)c1ccc(COCC(F)(F)F)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}