Using COC(=O)CCCBr, Cc1cc(CCc2sc(-c3ccc(C(F)(F)F)cc3)nc2C)ccc1O to produce COC(=O)CCCOc1ccc(CCc2sc(-c3ccc(C(F)(F)F)cc3)nc2C)cc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.