Using CCOC(=O)C(C)(C)Oc1ccc(-c2ccc(CCNC(=O)c3ccccc3OC)cc2)cc1 to produce COc1ccccc1C(=O)NCCc1ccc(-c2ccc(OC(C)(C)C(=O)O)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.