[*:1]S(=O)(=O)NC[*:2]
[*:1]C(C(F)(F)(F))NC[*:2]
[*:1]C1CC1NC[*:2]
[*:1]C(F)=CC[*:2]
[*:1]C1COC1NC[*:2]
[*:1]C1COC1OC[*:2]
[*:1]C1=NN=C([*:2])N1
[*:1]C1=NN=C([*:2])O1
[*:1]N1N=NC([*:2])=C1
[*:1]N1N=NC([*:2])=N1
[*:1]C1=NOC([*:2])=N1