Using CC(C)(C)OC(=O)NCCN(Cc1ccc(Cl)cc1)C(=O)N1CCN(C(=O)OCc2ccccc2)CC1 to produce CC(C)(C)OC(=O)NCCN(Cc1ccc(Cl)cc1)C(=O)N1CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.