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, c, or d without using any other words.
Options:
a) Cc1nc2ccccc2n1C1C[C@H]2CC[C@H](C1)N2CCC1(c2cccc(F)c2)CCN(C(=O)c2ccc(Cl)c(S(N)(=O)=O)c2)CC1
b) CC(C)n1nc(C(=O)NCC2CCN(CCc3ccc(C(=O)O)cc3)CC2)c2ccccc21
c) CC[C@@H](NC(=O)c1cc(C(=O)N[C@H](CC)c2ccc(OC)nc2)n2c1COCC2)c1ccccc1
d) O=C1COc2ccc(CNC34CCC(CCc5c(F)cnc6ccc(=O)[nH]c56)(CC3)OC4)nc2N1
Answer: d
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-[[[1-[2-(3-fluoro-6-oxo-5H-1,5-naphthyridin-4-yl)ethyl]-2-oxabicyclo[2.2.2]octan-4-yl]amino]methyl]-4H-pyrido[3,2-b][1,4]oxazin-3-one