Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a.) Cc1ccc2c(N3CCN(CCc4cccc5c4OCc4cncn4-5)CC3)cccc2n1
b.) CCOC(=O)[C@@H]1C2CCC(C[C@@H]1OC(c1ccc(F)cc1)c1ccc(F)cc1)N2CCc1c[nH]c2ccccc12
c.) COC1COCCC1N[C@@H]1C[C@H]2CN(C(=O)OCc3ccccc3)C[C@@]2(C(=O)N2CCc3ncc(C(F)(F)F)cc3C2)C1
d.) O=C(c1ccccn1)[C@@]12C[C@H]3C=NN(c4ccc(F)cc4)[C@H]3C=C1CCN(S(=O)(=O)c1cccc(C(F)(F)F)c1)C2
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}
6-[2-[4-(2-methylquinolin-5-yl)piperazin-1-yl]ethyl]-4H-imidazo[5,1-c][1,4]benzoxazine