Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] N=C(N)c1ccc(OCCCCCOc2ccc(C(=N)N)cc2)cc1
[b] CC1=CN2C(N)=C(Cl)C=C(C(=O)NC[C@@H]3CCCN(CC(C)C)C3)[C@@H]2N1
[c] CC[NH+](CC)CC#CCOC(=O)[C@@](O)(c1ccccc1)C1CCCCC1
Answer: a
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}
4-[5-(4-carbamimidoylphenoxy)pentoxy]benzenecarboximidamide