Using COc1ccc(C2CC(=O)c3c(C)coc3C2)cc1, N=C(N)NN to produce COc1ccc(C2CC(=NNC(=N)N)c3c(C)coc3C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.