Using O=[N+]([O-])c1ccc2c(c1)C(c1ccccc1Cl)=NCc1nnc(CCl)n1-2, CNC1CC1 to produce C1=Cc2ccccc2NN=C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.