Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (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] O=C1CN(CCc2ccc(F)cc2)CCN1[C@H]1CCc2cc(CN3CCS(=O)(=O)CC3)ccc2C1
[b] Nc1nnc(-c2cccc(Cl)c2Cl)c(N)n1
[c] CCN(CC)Cc1ccc2c(c1)CC[C@H](N1CCN(CCc3ccc(F)cc3)CC1=O)C2
[d] Cc1cccc(CC[NH+]2CCC(C(=O)c3ccc(NS(C)(=O)=O)cc3)CC2)n1
[e] CCCC[C@](C)(O)C/C=C/[C@H]1[C@H](O)CC(=O)[C@@H]1CCCCCCC(=O)OC
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}
N-[4-[1-[2-(6-methylpyridin-2-yl)ethyl]piperidin-1-ium-4-yl]carbonylphenyl]methanesulfonamide