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 other words.
Options:
a CCOc1ccc(CSC2=NCCN2)cc1[N+](=O)[O-].Cl
b COc1ccc(OCCOC(=O)CNC(=O)c2ccc(C)cc2)cc1
c COCCNC(=O)CSc1nc2scc(-c3ccccc3)c2c(=O)[nH]1
d CCOc1ccc2nc(C(=O)N3CCCC(C)C3)sc2c1
e C=C(C)C(=O)N1CC2(CC(c3cccc(NC(=O)CC(c4ccccc4)c4ccccc4)c3)=NO2)C[C@H]1C(N)=O
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}