Using CCCC[C@@H]1N[C@@H](C(=O)OC)Cc2c1[nH]c1ccccc21 to produce CCCC[C@@H]1N[C@@H](C(=O)O)Cc2c1[nH]c1ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.