Using C#CC(O)(CC)CC, O=C(NCCCc1cccc(Br)c1)C(F)(F)F to produce CCC(O)(CC)CCc1cccc(CCCNC(=O)C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.