Using CN1CCN(C[C@H](NC(=O)OC(C)(C)C)c2ccc(O)cc2)CC1 to produce CCCC(C)COc1ccc([C@H](CN2CCN(C)CC2)NC(=O)OC(C)(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.