Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a.) COc1cccc(C(=O)NCCS(=O)(=O)NCCc2ccc(OC)c(OC)c2)c1
b.) O=S(=O)(c1cccc(F)c1)N1CCN(c2ncnc3scc(-c4ccc(F)cc4)c23)CC1
c.) c1coc(CN=C2NC(=NCc3ccco3)c3ccccc32)c1
d.) CCOC(=O)C1CC2CC(C1)CN(C(=O)C1CCCCC1)C2
Answer: c
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}