Using CC(C)(C)c1cc(N)c(C(N)=O)[se]1, Clc1ncnc2ncccc12 to produce CC(C)(C)c1cc(Nc2ncnc3ncccc23)c(C(N)=O)[se]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.