Using COC(=O)COc1ccc(NC(=O)N2CCN(c3ccccc3C(C)(C)C)CC2)cc1 to produce CC(C)(C)c1ccccc1N1CCN(C(=O)Nc2ccc(OCC(=O)O)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.