Using COC(=O)c1ccc(C(=O)N2CCC(C)(NC(=O)OCc3ccccc3)CC2)cc1 to produce COC(=O)c1ccc(C(=O)N2CCC(C)(N)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.