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, c, or d without using any additional words.
Options:
a. CCOC(=O)c1[nH]c2ccc(OC)cc2c1NC(=O)OC
b. Cn1c(=O)c2c(nc(N3CCN(C(=O)c4ccco4)CC3)n2CCSc2ncccn2)n(C)c1=O
c. Cc1sc(-c2ccncc2)nc1OC(=O)c1ccc(F)cc1F
d. CCCN(CC(=O)Nc1ccccc1OC)C(=O)c1cnc(Cl)c(Cl)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}