Using CC(C)(C)OC(=O)N[C@H](C(=O)c1ccc(N2CCN(C(=O)OCc3ccccc3)CC2)cc1)C(C)(C)C to produce CN1CCN(c2ccc(C(=O)[C@@H](NC(=O)OC(C)(C)C)C(C)(C)C)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.