Using CCCCc1cc(C(=O)OCC)nn1Cc1ccc(-c2ccccc2C#N)cc1 to produce CCCCc1cc(C(=O)O)nn1Cc1ccc(-c2ccccc2C#N)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.