Using CC(C)(C)OC(=O)N1CCN(c2cc(F)c(N(Cc3ccccc3)Cc3ccccc3)cc2F)CC1 to produce CC(C)(C)OC(=O)N1CCN(c2cc(F)c(N)cc2F)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.