Using CCCN1CCN(c2nc(-c3ccc(F)c(Cl)c3)cc(N3CCN(C(=O)OC(C)(C)C)CC3)n2)CC1 to produce CCCN1CCN(c2nc(-c3ccc(F)c(Cl)c3)cc(N3CCNCC3)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.