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, d, or e without using any additional words.
Options:
a.) CC1=C(C(=O)N(C)C)C(c2cccc(Cl)c2)NC(=O)N1
b.) O=C(NCCCn1ccnc1)c1cc(-c2ccc(Br)cc2)on1
c.) Cc1ccc2c(c1)nnn2C1CCN(S(=O)(=O)c2ccc(C(=O)N(C)C3CCCCC3)cc2)CC1
d.) O=C(Nc1cccnc1)c1ccc(Cl)c(S(=O)(=O)N2CCCC2)c1
e.) Cc1ccc(N2CC(C(=O)Nc3nnc(SCC(=O)N4CCOCC4)s3)CC2=O)cc1
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}