Using CC(C)(C)OC(=O)N1CCN(c2ccccc2OC2CN(C(c3ccccc3)c3ccccc3)C2)CC1 to produce CC(C)(C)OC(=O)N1CCN(c2ccccc2OC2CNC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.