Using CC(C)(C)OC(=O)N1CCN(Cc2ccccc2)[C@H](CNC(=O)c2ccccc2)C1 to produce CC(C)(C)OC(=O)N1CCN[C@H](CNC(=O)c2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.