Using Cc1ccc(NN)cc1, COC=C1CCN(C/C=C/c2ccc(Cl)cc2)CC1 to produce Cc1ccc2c(c1)C1(CCN(C/C=C/c3ccc(Cl)cc3)CC1)CN2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.