Using CCOC(=O)c1c(C(F)(F)F)nc2c(OCCCc3ccc(Cl)cc3Cl)cccn12 to produce OCc1c(C(F)(F)F)nc2c(OCCCc3ccc(Cl)cc3Cl)cccn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.