Using CC(C)n1cc(C(=O)C(=O)NC2CCN(CCNC(=O)OC(C)(C)C)CC2)c2ccccc21 to produce CC(C)n1cc(C(=O)C(=O)NC2CCN(CCN)CC2)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.