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. COc1nccc2c(=O)n(C)c(-c3ccc(OC4CCN(C5CCC5)CC4)cc3)nc12
b. Cc1c([C@@H](O)CN2CCC3(CC2)CCN(c2ccc(=O)n(C4CCCC4)n2)C3=O)ccc2c1COC2=O
c. COC(=O)C1(CNC(=O)c2cc(OC)cc(OC)c2)CCN(Cc2ccc(OC)cc2)CC1
d. COc1cc(OC)cc(C(=O)NCC2(C#N)CCN(Cc3ccccc3OC)CC2)c1
Answer: c, 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}
N-[[4-cyano-1-[(2-methoxyphenyl)methyl]piperidin-4-yl]methyl]-3,5-dimethoxybenzamide