Using CC(C)(C)OC(=O)NC(Cc1ccccc1)C(=O)NC1CCN(Cc2ccccc2)C1 to produce CC(C)(C)OC(=O)NC(Cc1ccccc1)C(=O)NC1CCNC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.