Using CC(C)(C)OC(=O)c1ccc(N2CN(c3ccccc3)C3(CCN(C(=O)OCc4ccccc4)CC3)C2=O)cc1 to produce CC(C)(C)OC(=O)c1ccc(N2CN(c3ccccc3)C3(CCNCC3)C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.