Using CC(C)(C)OC(=O)N1CCN(C(=O)NC2(C(=O)OCc3ccccc3)CCCCC2)CC1 to produce CC(C)(C)OC(=O)N1CCN(C(=O)NC2(C(=O)O)CCCCC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.