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. CCCCCCC[NH+](CC)CCC[C@@H](O)c1ccc(NS(C)(=O)=O)cc1
b. CC(C)(NC(=O)c1ccc(O)cc1)C(=O)O
c. CC[NH+](CC)CCNC(=O)c1cc(Cl)c(N)cc1OC
d. CCCCCCCN(CC)CCCCc1ccc([N+](=O)[O-])cc1
Answer: a, c, d
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}