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. COc1cc2c(cc1OC)C(c1cccs1)N(C(=O)c1ccc(S(=O)(=O)N(C)C)cc1)CC2
b. O=C1OCCC1S(=O)(=O)c1ccc2ccccc2c1
c. COc1ccc(NC(=O)C(=O)N/N=C/c2cc(C)n(-c3cccc(Cl)c3Cl)c2C)c(OC)c1
d. CC(NC(=O)CSc1nc2ccccc2n1CCC#N)c1ccc(F)cc1
Answer: a
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}