Using CC(=O)c1ccc(NC(=O)OC(C)(C)C)cc1, O=C1CCN(Cc2ccccc2)CC1 to produce CC(C)(C)OC(=O)Nc1ccc(C(=O)CC2(O)CCN(Cc3ccccc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.