Using CC(C)CN1C(N=Cc2ccc(Cl)cc2)=CC(=O)N2CCN=C21 to produce CC(C)CN1C(NCc2ccc(Cl)cc2)=CC(=O)N2CCN=C21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.