Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a Nc1cc(CN2CCC(N(C(=O)NCc3ccc(F)cc3)c3ccc(Cl)cc3)CC2)ccn1
b O=C(c1ccc(C[C@@H]2CC[C@H]([C@H](O)c3ccccc3)N2)cc1)N1CCN(Cc2nnn(CC(F)F)n2)CC1
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}
1-[1-[(2-aminopyridin-4-yl)methyl]piperidin-4-yl]-1-(4-chlorophenyl)-3-[(4-fluorophenyl)methyl]urea