Using C[C@@H]1CCc2ncnc(N3CCN(C(=O)C4(c5ccc(Cl)cc5)CCN(C(=O)OC(C)(C)C)C4)CC3)c21 to produce C[C@@H]1CCc2ncnc(N3CCN(C(=O)C4(c5ccc(Cl)cc5)CCNC4)CC3)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.