Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CC[NH+](CC)CCC[C@@H](C)Nc1ccnc2cc(Cl)ccc12
b. CCOc1cc(N)c(Cl)cc1C(=O)NC[C@@H]1C[NH+](Cc2ccc(F)cc2)CCO1
Answer: a, 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}
4-azanyl-5-chloranyl-2-ethoxy-N-[[(2R)-4-[(4-fluorophenyl)methyl]morpholin-4-ium-2-yl]methyl]benzamide