Using COc1ccc2nccc(C(O)CN3CCCC(CNC(=O)OCc4ccccc4)C3)c2c1 to produce COc1ccc2nccc(C(O)CN3CCC[C@@H](CN)C3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.