Using CCOC(=O)c1ccc(N2CC3CN(C(=O)OC(C)(C)C)CC3C2)nc1 to produce CCOC(=O)c1ccc(N2CC3CNCC3C2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.