Using C[C@H](c1ccccc1)N1CC2CCN(C(=O)OC(C)(C)C)CC21 to produce CC(C)(C)OC(=O)N1CC[C@H]2CN[C@H]2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.