Using C[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H](C)N1CCN1C(=O)c2ccccc2C1=O to produce C[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H](C)N1CCN, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.