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) Cc1ccccc1CN1C[C@@H]2C[C@@H](c3cn(C)nc3-c3ccccc3)N3CCC[C@@]23C1=O
b) O=C(Cc1ccccc1)N1CCC(C(=O)N2CCN(c3ccc(F)cc3)CC2)CC1
c) CCOC(=O)c1c(-c2ccccc2)csc1NC(=O)CCN1C(=O)c2ccccc2C1=O
d) CCN(C(=O)CSc1nnc(-c2ccncc2)n1Cc1ccccc1)C1CCS(=O)(=O)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}