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 additional words.
Options:
[a] O=C(NCc1ccco1)c1cnn2cccnc12
[b] CCCS(=O)(=O)N1CCCC(C(=O)NCCN2CCC(Cc3ccccc3)CC2)C1
[c] Cc1ccc(CNC(=O)Cn2cnc3cc([N+](=O)[O-])ccc3c2=O)cc1
[d] CC(C)CN1CCN(Cc2c(F)cccc2Cl)CC1CCO
[e] Cc1ccc(S(=O)(=O)NC(N)=NCCc2ccccc2)cc1C
Answer: b
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}