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, c, or d without using any additional words.
Options:
a.) CN1C[C@@H]2C[C@@H](c3cccn3-c3nccs3)N3CCC[C@@]23C1=O
b.) CCc1ccc(S(=O)(=O)N2CCCC(N3CCN(c4ccc(OC)cc4)CC3)C2)cc1
c.) O=C(NCc1ccc2c(c1)OCO2)C1CCN(c2nccc(C(F)(F)F)n2)CC1
d.) COc1ccc(-c2nnc(SCC(=O)N3CCCC3)o2)c(OC)c1
Answer: 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}