Using C[C@@H]1CCc2ncnc(N3CC4(CCN(CCCN5C(=O)c6ccccc6C5=O)CC4)c4cc(Cl)ccc43)c21 to produce C[C@@H]1CCc2ncnc(N3CC4(CCN(CCCN)CC4)c4cc(Cl)ccc43)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.