Using CC(C)(C)OC(=O)N1CCN(c2cncc(Cl)n2)CC1, OCc1cccc(Cl)c1 to produce CC(C)(C)OC(=O)N1CCN(c2cncc(OCc3cccc(Cl)c3)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.