Using CC(=O)OC1CN(c2ccc(Cl)cc2NC(N)=O)CC1N1CCN(C(=O)c2ccc(Cl)cc2)CC1 to produce NC(=O)Nc1cc(Cl)ccc1N1CC(O)C(N2CCN(C(=O)c3ccc(Cl)cc3)CC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.