Using COc1cnc2ccc(=O)n(CCN3CCO[C@@H](CNC(=O)OC(C)(C)C)C3)c2c1 to produce COc1cnc2ccc(=O)n(CCN3CCO[C@@H](CN)C3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.