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, b, or c without using any other words.
Options:
a) Nc1ccnc(N2CCC(n3c(=O)n(CC4CC4)c4cccnc43)CC2)c1
b) COc1cc2nnc(C(N)=O)c(Nc3ccc(C)cc3F)c2cc1N1CCN(CCO)CC1
c) O=C(O)C1(F)CCN(C2CCC3(Cc4ccccc4Cc4ccccc43)C2)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}
3-[1-(4-aminopyridin-2-yl)piperidin-4-yl]-1-(cyclopropylmethyl)imidazo[4,5-b]pyridin-2-one