Using CC(C)(C)OC(=O)N1CCN2C[C@H](CN3C(=O)Cc4ccccc43)CC[C@H]2C1 to produce O=C1Cc2ccccc2N1C[C@@H]1CC[C@H]2CNCCN2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.