Using CSc1nn(-c2ccccc2)c2cc(N3CC(N4CCN(C(=O)OC(C)(C)C)CC4)C3)ccc12 to produce CSc1nn(-c2ccccc2)c2cc(N3CC(N4CCNCC4)C3)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.