Using CC(C)(C)OC(=O)N1CCC(NCCN)CC1, CCOC(=O)c1ccccc1 to produce CC(C)(C)OC(=O)N1CCC(N2CCN=C2c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.