Using CCOC(=O)C(C(C)C)N1CCN(Cc2ccc(OCc3ccccc3)cc2)C1=O to produce CC(C)C(C(=O)O)N1CCN(Cc2ccc(OCc3ccccc3)cc2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.