Using CCCCN(Cc1ccccc1)C(=O)Nc1ccc(C(=O)OCC)cc1 to produce CCCCN(Cc1ccccc1)C(=O)Nc1ccc(C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.