Using COc1ccc(N2CCCn3c2nc2c(Cl)ccc(C(O)C4CC4)c23)c(C)n1, OCC(F)(F)F to produce COc1ccc(N2CCCn3c2nc2c(Cl)ccc(C(OCC(F)(F)F)C4CC4)c23)c(C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.