Using OC1(c2ccncc2)CC(c2ccc(F)cc2)c2ccc(F)cc21, CI to produce CN1CCC(C2(O)CC(c3ccc(F)cc3)c3ccc(F)cc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.