Using CCOC(=O)C1CCN(Cc2ccccc2)CC1=O, CCOC(=O)C1CCN(C(=O)OC(C)(C)C)CC1=O to produce CC(C)(C)OC(=O)N1CCC2CNC2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.