Using CN1CCc2nc(N3CC[C@@H](NC(=O)OC(C)(C)C)C3)ncc2C1 to produce CN1CCc2nc(N3CC[C@@H](N)C3)ncc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.