Using CC(C)(C)OC(=O)N1CCN(c2cc(Cl)cc3c2OCCN3C(=O)OCc2ccccc2)CC1 to produce CC(C)(C)OC(=O)N1CCN(c2cccc3c2OCCN3)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.