Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CCCC1=N[N+](C)=C2C(=O)N=C(c3cc(S(=O)(=O)N4CC[NH+](C)CC4)ccc3OCC)N=C12
b. COc1ccc(CC[NH2+]CCC[C@@](C#N)(c2ccc(OC)c(OC)c2)C(C)C)cc1OC
Answer: b
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}
[(4S)-4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhexyl]-[2-(3,4-dimethoxyphenyl)ethyl]azanium